At the ragged frontier where the Sun’s influence gives way to interstellar space, Voyager 1 has stumbled into something that ...

New Hubble images show the interstellar object in detail, amid claims by Harvard astrophysicist Avi Loeb that 3I/ATLAS could ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. At the start of my career, I used to do acoustic testing in an anechoic chamber where sound ...

The space rock 3I/ATLAS is only the third confirmed interstellar object discovered by astronomers, following 'Oumuamua and the comet Borisov. While astronomers are still busily collecting data on the ...

NASA's New Horizons spacecraft has traveled so far from Earth that the relative position of the stars is beginning to shift — a fact that could help future spacecraft navigate the galaxy on their own.

It's been more than 47 years since NASA sent two historic space probes—Voyager 1 and 2—out into the universe, and, against all odds, they're still going. Their journeys have been nothing short of ...