It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

Twin siblings, twin peaks, twin cities, twin planets... Two earths, one solar system. How would that work?

When a solar storm strikes Earth, it can disrupt technology that's vital for our daily lives. Solar storms occur when ...

New research suggests Earth’s water came from sources other than meteorites, challenging long-standing theories on planetary ...

"A strong magnetic field is very important for life on a planet." ...

Ancient Moon dust, meteorite traces and Apollo samples are helping NASA scientists rethink where Earth’s water truly came ...

NASA's James Webb Space Telescope has spotted a young star flinging heat-formed crystals outward on a cosmic conveyor belt, ...

For over a century, scientists have suspected there could be a hidden planet lurking far beyond Neptune—massive enough to ...

At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant ...

Planetary scientists analyzing oxygen isotopes in lunar soil from the Apollo mission sites conclude that meteorite bombardment over 4 billion years could only have delivered a tiny fraction of Earth’s ...

The Atlanta-based company is on a mission to develop commercial passenger aircrafts that move at hypersonic speeds.