From ancient myths to modern science, the idea that we may not be alone has fueled curiosity, fear and hope in equal measure. That fascination has intensified again as a mysterious interstellar object ...

Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

The ancient Greeks we admire today regarded these seven men as the wisest of their time. They attributed to them not only the ...

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 ...

Archaeological evidence shows that the 12 astronomical signs at one point entered China, a journey that would eventually ...

Astronomers from the Harvard-Smithsonian Center for Astrophysics (CfA) and elsewhere report the discovery of a new brown ...

Across the globe, a race is under way to crack some of the last mysterious forms of writing that have never been translated.

The interstellar comet 3I/ATLAS is making its closest approach to Earth on Dec. 19. Learn about the 'reconnaissance mission' ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

When winter sets in, and daylight is gone well before dinner, it’s hard not to notice how long the nights stretch on. For me, ...

A recently discovered observatory may be the oldest in the Americas, challenging everything we knew about ancient astronomy.

Interstellar comet 3I/ATLAS is turning green and getting brighter as it nears Earth. Scientists track the ancient space rock, ...