The X-ray Imaging and Spectroscopy Mission (XRISM) spacecraft has delivered an "unprecedented tally of elemental sulfur ...

What happens if humanity is no longer fighting for one planet or one star system, but for a way out of the entire galaxy?

American space agency NASA said the Nancy Grace Roman Space Telescope survived three major assessments of its ability to ...

It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star.

A nearby galaxy is behaving strangely—and now scientists know why. The Small Magellanic Cloud’s stars move in chaotic ...

Using the Mayall 4-meter telescope at Kitt Peak National Observatory, an international team of astronomers has observed ...

Asteroids! From 2024 YR 4's possible lunar impact to the DART mission's impact of Dimophos, we look at how scientists are ...

The Sun may have been part of a small group of stars that migrated from the core of our galaxy between 4 and 6 billion years ago.

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

Astronomers believe that there have been three generations of stars in the universe. The first, which are yet to be seen ...

A newly discovered star suggests tiny relic galaxies like Pictor II preserved the chemical material created by the universe's ...