The controversy behind the world's next great telescope

A black hole met a neutron star and swallowed it 'Pac-man' style

Starman's Tesla completes orbit around the sun

Life on other planets may glow like coral to protect itself from an angry sun

Scientists detect more repeating radio signals from deep space

For the first time, scientists capture a shockwave bursting from the sun

Scientists baffled by sudden brightness of our galaxy's supermassive black hole

Dead planets sing sad, sad songs

Scientists find vast, ancient galaxies hiding in plain sight

Why Bill Nye's solar sail matters for the future of space travel

Perseid meteor shower: What you need to know

Plans for orbiting lunar outpost take shape