Discover the Best Tech Gifts of 2025, from smart gadgets to must-have devices. Find cool holiday gift ideas and be the ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

At the center of a galaxy 10 billion light-years away, a supermassive black hole is the new record holder for brightest flare ...

Long believed to be a compact group of a few bright stars, thePleiades have now been identified as just a fragment of a much ...

The ESA's Euclid space telescope has been in space for just over a year, investigating some of the deepest mysteries of the ...

XRISM’s observations of GX13+1 revealed a slow, fog-like wind instead of the expected high-speed blast, challenging existing models of radiation-driven outflows. The discovery hints that temperature ...

Astronomers are tracking interstellar comet 3I/ATLAS after JWST and NASA missions detected an extreme CO₂ outburst that ...

The flare is ongoing, meaning that the black hole is still actively consuming the star, like "a fish only halfway down the ...

Scientists now have observed for the first time the very early stages of a supernova, with a massive star exploding in a ...

Active galactic nucleus (AGN) black hole 10 billion light-years away, J2245+3743, made the biggest and brightest flare ever ...

After years of being watered down by modern over-sensitivity, science fiction may be on the verge of a raunchy, sexy ...

Scientists have observed for the first time the very early stages of a supernova, with a massive star exploding in a ...