This NASA/ESA Hubble Space Telescope image reveals new details in Messier 82 (M82), home to brilliant stars whose light is ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

The Cartwheel lies about 500 million light-years away in Sculptor. Its wagon-wheel shape formed after a violent collision ...

Astronomers are trying to understand what caused a series of gamma ray bursts, or GRBs — the most powerful explosions in the ...

Just as Iowa's political landscape was starting to settle, U.S. Sen. Joni Ernst has again upended the playing field. Can ...