Astronomers used cosmic explosions to find that we may be wrong about our own galaxy.

New observations of WD 1856 b, a gas giant closely orbiting a white dwarf, offer a preview of what could happen to Jupiter ...

JWST confirmed WD 1856b migrated inward after its star died - a trick Earth can't pull off from inside the Sun's future kill ...

Scientists have revealed a planet dubbed "Earth's next-door neighbour" may be able to support life. Astronomers at the ...

The Vera C. Rubin Observatory in Chile has begun an ambitious 10-year mission to create "the greatest cosmic movie ever made." Here's what to know.

In case you missed it, last week the ScienceAlert team shared their favorite science facts for you to use as conversation ...

Astronomers have identified GJ 3378b, a super-Earth located 25 light-years away, in the habitable zone of its star, raising ...