The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

NASA will reveal new imagery of the interstellar comet 3I/ATLAS on Wednesday (Nov. 19), and you can watch it live. The ...

NASA has scheduled a photo-dump of 3I/ATLAS images captured by the agency's fleet of ground and space instruments. You can ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

The number 40,000 might not sound particularly dramatic, but it represents humanity's growing catalog of near-Earth asteroids ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

High above Antarctica, a series of NASA research balloons picked up radio signals that should not exist, at least not ...

Blue Origin's New Glenn booster rocket successfully launched its second-ever trip into space on Thursday to deploy two NASA ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes ...