I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

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

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 ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

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.