A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion ...

NASA’s report of potential signs of ancient life on Mars has reignited a long-running scientific debate about how common life ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) ...

A mysterious interstellar object has recently captured the attention of astronomers worldwide. This enigmatic visitor, ...

In a matter of days, Comet 3I/ATLAS will reach its closest point to the Sun. The third known interstellar object will reach ...

If there is one star that serves to announce the arrival of fall as the leaves have begun to turn, unquestionably that title ...

The early part of this past week brought crystal clear skies and cool weather, and it felt absolutely great outside.

This is your rundown on the latest breaking news in space. We’ve got updates on everything from auroras to black holes, plus ...

As scientists worldwide speculate about the giant comet 3I/ATLAS, we look to NASA, the Galileo Project, and other sources to try to make sense of it all.

After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...