Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a curious new object started flashing across the message boards.

Chile's ALMA observatory, which houses some of the world's most powerful telescopes, has captured its most detailed images to ...

A11pI3Z is only the third interstellar visitor to be discovered, and astronomers can’t say yet whether it is a comet or a ...

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern ...

When science organizations in the United States, Europe, and Japan dreamed up a new, ultra-powerful millimeter and ...

So far, two interstellar celestial bodies have been discovered hurtling through the solar system. Evidence of the next one is ...

The Vera C. Rubin Observatory, in Chile, saw its first photon a few months ago, a monumental event 25 years in the making. Senior Editor Evan Ackerman’s journey to Chile, to see the observatory and ...

The research draws on two existing approaches to better estimate stars’ ages.