Science April 3, 2019
Simulations Find Mechanism of Brightest Flashes in Universe
Scientists have used simulations to show that the photons emitted by long gamma-ray bursts, the most powerful electromagnetic phenomena in the Universe, originate at the visible surface of high-speed jets emitted by exploding stars.
Science April 2, 2019
WIMPs Beat MACHOs for Control of the Universe
An international team of researchers used observations with the Subaru Telescope to rule out MACHOs as a major component of dark matter.
Science March 28, 2019
Congratulations it’s Twins! Binary Stars Born Together
Astronomers have found a molecular cloud that is collapsing to form two massive protostars that will eventually become a binary star system. This observations show that binary stars form together.
Science March 20, 2019
The Rise and Fall of Ziggy Star Formation and the Rich Dust from Ancient Stars
Researchers have detected a radio signal from abundant interstellar dust in MACS0416_Y1, a galaxy 13.2 billion light-years away in the constellation Eridanus.
Topics March 14, 2019
NAOJ Director General Saku Tsuneta Wins Japan Academy Prize
Dr. Saku Tsuneta, Director General of NAOJ, has won the Japan Academy Prize.
Science March 14, 2019
ALMA Observes the Formation Sites of Solar-System-like Planets
Researchers have spotted the formation sites of planets around a young star resembling our Sun. Two rings of dust around the star, at distances comparable to the asteroid belt and the orbit of Neptune in our Solar System, suggest that we are witnessing the formation of a planetary system similar to our own.
Science March 14, 2019
Astronomers Discover 83 Supermassive Black Holes in the Early Universe
A team of astronomers has discovered 83 quasars powered by supermassive black holes (SMBHs) in the early Universe. This increases the number of black holes known at that epoch considerably, and reveals, for the first time, how common SMBHs were early in the Universe’s history.
Science March 12, 2019
Cross-Disciplinary Collaboration Enables Investigation of the Origin of Heavy Elements
A team of experts in nuclear fusion and astronomy has computed high-accuracy atomic data for analyzing light from a kilonova, a birth place of heavy elements.
Science February 28, 2019
Hiding Black Hole Found
Astronomers have detected a stealthy black hole from its effects on an interstellar gas cloud.
Science February 26, 2019
Two-Gun Baby Star Solves Stellar Mystery
Astronomers have discovered two streams of gas shooting out from a baby star that originated at different times and areas.