The cluster of sunspots at differing stages around the sun from Oct. 18 to Oct. 28 (Provided by the National Astronomical Observatory of Japan and the Japan Aerospace Exploration Agency)
Japanese space probe, observatory record huge sunspot activity
Images of a sunspot cluster 66 times the size of Earth were released by the National Astronomical Observatory of Japan (NAOJ) and the Japan Aerospace Exploration Agency (JAXA) on Nov. 19.
Scientists determined that this glass dish found in Japan came from ancient Rome. (Provided by the Tokyo National Museum)
Scientists: Glass dish unearthed in Nara came from Roman Empire
KASHIHARA, Nara Prefecture--A glass dish unearthed from a burial mound here is the first of its kind confirmed to have come to Japan from the Roman Empire, a research team said.
A 10-month-old female Japanese monkey suffering from premature aging, left, and her mother (Provided by the Primate Research Institute)
Researchers find monkey with symptoms of premature aging disorder
Scientists have reported finding a monkey suffering from a new type of genetic disorder that causes premature aging, a discovery that could help shed light on the mechanisms of aging in humans.
Kenzo Iwao shows off a mosquito-collecting device he developed at the Nagoya Institute of Technology in Nagoya's Showa Ward. (Naoko Kobayashi)
Popular mosquito catcher uses human odor as bait
A novel mosquito trap that lures its prey using human scent and other smells favored by the critter is creating a buzz as Japan frets about the spread of dengue fever.
The nearly complete body of Hayabusa 2 equipped with an impactor designed to collect samples below the surface of an asteroid. It is shown at the Tanegashima Space Center in Minami-Tane, Kagoshima Prefecture, on Oct. 27. (Masanobu Higashiyama)
JAXA shows off second-generation asteroid explorer
MINAMITANE, Kagoshima Prefecture--Japan's space agency showed off a space probe to be launched next month that it hopes will answer questions about how life seeded Earth.
A child in the research study has drawn in eyes and a mouth on the blank face of a chimpanzee. (Provided by the University of Shiga Prefecture)
Drawing experiment backs argument that chimps have no imagination
Chimpanzees can memorize images and mimic human actions, but they remain primitive when it comes to imagination, according to a recent study.
Nack (Provided by Kamogawa Seaworld)
Researcher says he's closer to having conversation with beluga whale
SHIZUOKA--Tsukasa Murayama feels he has come closer to his dream of holding an actual conversation with a 29-year-old male he has known for two decades.
An X-ray photo taken by the solar observational satellite Hinode two minutes after the start of a partial solar eclipse (coloring added) (Provided by JAXA and the National Astronomical Observatory of Japan)
PHOTO: Satellite snaps images of gold-ring annular eclipse
The solar observational satellite Hinode captured images of an annular eclipse on Oct. 24 from its orbit 680 kilometers above the North American continent.
The oldest fossilized feces of vertebrate animals ever found in Japan discovered in Minami-Sanriku, Miyagi Prefecture (From the University of Tokyo website)
Oldest fossilized vertebrate droppings in Japan found in coastal Miyagi
Archaeologists have discovered the oldest fossilized feces of vertebrate animals in Japan, suggesting the marine ecosystem that collapsed about 252 million years ago had fully recovered within 5 million years.
Isamu Akasaki, one of this year's winners of the Nobel Prize in Physics, accepts flowers after a news conference on Oct. 7 at Meijo University in Nagoya. (Yuta Takahashi)
Persistence pays off for three winners of Nobel Prize in Physics
Long after most of the global scientific community had given up, three researchers continued to toil in their laboratories for a discovery that was deemed impossible. Their relentless work initially drew little interest, and at times led to derision.
An artist's rendition of the explosion of a first-generation star born immediately after the Big Bang (Provided by the National Astronomical Observatory of Japan)
Scientists: 1st stars in universe likely 100 times heavier than sun
Astronomers have discovered that extremely large stars, more than 100 times heavier than our solar system's sun, may have been among those born immediately after the creation of the universe, a finding that could overturn the current mainstream theory.
The International Space Station (Provided by NASA)
Researchers breed mice from sperm stored in space, paving way for galactic livestock
Japanese scientists said they have produced the world’s first baby mice from sperm stored in outer space, a breakthrough that increases the chances of raising animals in space.
Reporters check out the L-shaped tunnel that will accommodate the KAGRA gravitational wave detector system on July 4 in Hida, Gifu Prefecture. (Minako Yoshimoto)
Telescope tunnel built in quest to prove Einstein's space-time ripples
HIDA, Gifu Prefecture--A giant L-shaped tunnel has been built to house the world’s first cryogenic gravitational wave telescope to detect ripples in the curvature of space-time predicted by Albert Einstein, the University of Tokyo said.
Riken researcher Haruko Obokata at a news conference in Osaka in April (Asahi Shimbun file photo)
Scientists withdraw report on simpler stem cells
NEW YORK--U.S. and Japanese scientists who reported that they'd found a startlingly simple way to make stem cells withdrew that claim on July 2, admitting to "extensive" errors in the research.
An image of Izu-Oshima island near Tokyo created from data observed by the advanced land observation satellite Daichi-2. The areas colored green show vegetation, while pink indicates urban areas. The dark streaks on the sides of Mount Mihara were created by last October's mudslides. (Provided by Japan Aerospace Exploration Agency)
Daichi-2 satellite captures detailed images of mudslide damage on Izu-Oshima island
Japan's space agency released the first photographs taken by the Daichi-2 advanced land observation satellite on July 27, which showed detailed images of the aftermath of last October's deadly mudslides on Izu-Oshima island.
Riken national research institute's K computer (Asahi Shimbun file photo)
Riken supercomputer tops in the world for processing huge data loads
KOBE--Riken national research institute's K computer is No. 1 in the world on the Graph 500 ranking system that evaluates the data-intensive loads of supercomputers, according to an announcement made on June 24 at an international conference in Leipzig, Germany.
Haruko Obokata of the Riken Center for Developmental Biology in Kobe and Charles Vacanti, a Harvard University professor (Asahi Shimbun file photos)
Obokata, Vacanti heed request by Nature's editors to retract article
Embattled scientist Haruko Obokata and her Harvard University supervisor agreed to retract an article on a new stem cell mechanism at the recommendation of editors at the prestigious British science journal Nature.
Haruko Obokata at a news conference on April 9 (Asahi Shimbun file photo)
Obokata agrees to pull main STAP cell article
Haruko Obokata, the scientist accused of fabricating her research into a new type of stem cell, has agreed to withdraw her groundbreaking article published in the British science journal Nature in January that brought her worldwide acclaim.
An artist’s rendition of astronauts exploring Mars (Provided by National Aeronautics and Space Administration)
Japan eyes early manned mission to Mars
Japan, with the help of the international community, is working on plans to send a manned mission to Mars.
A Russian space agency rescue team helps Japanese astronaut Koichi Wakata to get off the capsule of the Russian Soyuz TMA-11 module shortly after its landing, about 150 kiiometers (93 miles) southeast of the Kazakh town of Dzhezkazgan, Kazakhstan, on May 14. (AP Photo, Pool)
Japan's first space station commander and crewmates land safely
ALMATY, Kazakhstan--The first Japanese to command a space mission and crewmates from the United States and Russia landed safely in Kazakhstan on May 14, wrapping up a 188-day stay aboard the International Space Station.

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