Track the interstellar Comet 3I/ATLAS, catch the peak of the spectacular 120-per-hour Geminid meteor shower (Dec 13/14), and ...

"The James Webb Space Telescope has captured helium escape from this planet for the first time, and it is the most confident ...

Could the greatest threat to cosmic discovery be silence, not secrecy? The case of 3I/ATLAS, the third interstellar object ...

"I'm becoming much more optimistic that we may be able to find life beyond Earth, even in our own solar system." ...

I would be more impressed if it was brightening periodically and beeping while it did it, because then it might be about to ...

NASA’s Curiosity rover uncovered yellow elemental sulfur in a Martian rock, challenging geological assumptions and raising questions about the planet’s chemical history.

As the night grows long and the winter solstice approaches, there’s a host of astronomical events to watch out for, including ...

I would be more impressed if it was brightening periodically and beeping while it did it, because then it might be about to ...

A full moon at its closest point to Earth: December opens this week with a full moon, dubbed the “Cold Moon,” that also ...

To catch the Geminids peak, look to the eastern sky all evening on Dec. 13 and Dec. 14. The meteors will appear near the ...

The December skies will showcase a stunning array of celestial sights. Here's a guide to what you should keep an eye out for: ...