A giant, 250,000-mile X-ray cloud has been found around the interstellar comet 3I/ATLAS, baffling experts. Discover why this ...

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

The best viewing window is 12 am to 4 am on December 14, when the radiant in the constellation Gemini climbs high in the eastern sky. Meteors may appear earlier in the night, but the post-midnight ...

Scientists may have discovered an atmosphere on a distant planet. Astronomers at NASA used the James Webb Space Telescope to detect evidence suggesting that the rocky planet called TOI-561 b, aka ...

New images reveal that stellar eruptions unfold in chaotic stages, with twisting outflows and late ejections that power ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

The head of NASA’s astrophysics division offered an upbeat assessment of upcoming missions, a stark contrast to the agency’s ...

NASA’s James Webb Space Telescope observations reveal TOI-561 b has a cooler-than-expected dayside, indicating a thick atmosphere above a global magma ocean, based on infrared emission measurements.

Interstellar comet 3I/ATLAS has become famous than most celebrities as it makes its way through our solar system. Although ...

A one-of-a-kind mountaintop stargazing experience at a Wyoming ski resort offers cosmic views, cutting-edge tech, and ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...