Researchers employing the James Webb Space Telescope and Canada's NIRISS instrument have observed exoplanet WASP-121b getting ...

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Scientists using the James Webb Space Telescope (JWST) have spotted unusual gases in the air of a planet called K2-18b, which ...

Night sky update for December 17, 2025, covering the moon phase, visible planets, meteor showers, and key space and astronomy news from today ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

That not only makes this the first confirmed runaway supermassive black hole, but this object is also one of the ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...