I/ATLAS is set to reach its closest point to the Sun on Wednesday (October 29), at around 11:47 Universal Time (UT). The ...

Two papers authored by astronomer Beatriz Villarroel claim to show that thousands of “transients” in historic astronomical ...

Is 3I/ATLAS a once-in-a-century interstellar comet or a genuine signal? We separate verified data from viral claims, quotes from NASA and Harvard.

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

This is only the third interstellar comet scientists have observed. Its extreme brightening, unusual composition, and intense ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

NASA has confirmed that the interstellar comet 3I/ATLAS remains on a stable path through the Solar System and poses no risk ...

NASA's Hubble Space Telescope explores the evolution of spiral galaxy UGC 10043 through images taken 23 years apart, in 2000 ...