Astronomy Staff, Author at Astronomy.com | Page 144 of 278

Ask Astro web extra: What happens to matter that falls into a black hole?

When a star in a binary system goes supernova, what happens to its companion? Is it destroyed?

What are asteroids made of?

An old star provides new light on universe formation

Cosmology, Science

New research limits Big Bang’s output of gravitational waves

Alien Life, Science

Fusing of two cells 2.5 billion years ago enabled evolution

Alien Life, Science, Solar System

Life’s building block discovered in comet

Cosmology, Science

Cosmology 101: Dark matter

Science, Solar System

Tiny flares responsible for outsized heat of Sun’s atmosphere

Science, Solar System

Scientists discover storms in the tropics of Titan

Exoplanets, Science

Huge planet orbits wrong way

Robotic Spaceflight, Space Exploration

Mars orbiter shows angled view of martian crater