Skywatchers across nine northern U.S. states have a rare chance to witness a dazzling display of the aurora borealis this ...

Experts say the sight of satellites burning up on re-entry to the atmosphere will become more common as more man-made objects are launched.

A violent tornado tore through a US state, shredding homes with 170 mph winds and carving a deadly path of destruction that ...

Weather permitting, a SpaceX rocket launch from Florida’s Space Coast may be visible from Palm Beach County this Memorial Day weekend.

Our dark skies will be even darker this summer. Most of the visible planets in our solar system are slowly disappearing from ...

Mind-boggling beauty abounds in photographs from around the globe submitted to this year's Milky Way Photographer of the Year ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

JWST has detected the earliest galaxies in the universe, but some look “more mature” than expected. Is it time to rethink how ...

A groundbreaking new supercomputer model shows how magnetic fields shape the turbulent flow of charged particles in space.