At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars.
NASA’s Fermi Gamma-ray Space Telescope detected…

At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars.
NASA’s Fermi Gamma-ray Space Telescope detected…

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Astronomers know the universe is expanding, and that its rate of expansion is continually accelerating. Most explanations rely on “dark energy” to explain this phenomenon, but a new study takes a different path.
An international team of…

In the distant past, the Solar System was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time, many of them eventually became part of…


Mosquitoes have been discovered in Iceland in a first for the island nation, which has long been one of the world’s mosquito-free places, a researcher told AFP Monday.
Three Culiseta annulata mosquitoes, two females and one male, were sighted…

Updated dietary guidelines in the US have significantly reduced the number of children with specific food allergies, reducing their need to avoid foods containing ingredients such as peanuts and eggs.
A major update to advice for preventing…

China’s first reusable rocket just took a big step toward flight.
The Chinese company LandSpace conducted a static-fire test with its stainless steel Zhuque-3 launcher on Monday (Oct. 20), keeping the rocket on track for a debut expected to occur…