Astronomy

Astronomers may have discovered a rare type of binary star system, where one star used to orbit inside its partner.

This Hubble Space Telescope image features a remote galaxy, which appears as a red arc that partially encircles a foreground elliptical galaxy.

'I think it is quite clear that space weather was not the cause of the dramatic power outage in Spain recently'

A new device uses quantum optics to filter out starlight in real time — bringing scientists closer to directly observing Earth-like worlds.

A new study reveals early Jupiter was twice its current size with a magnetic field 50 times stronger.

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.

New research has found that lightning, while not very common, can occur on tidally locked exoplanets like our nearest neighbor, Proxima b.

Researchers have provided some new insights about the powerful geomagnetic storm that flared up last Mother's Day, after a big solar storm hit Earth.

Structures known as "zippers" and "twisters" in the early universe may explain why dwarf galaxies tend to line up with each other, as well as hint at how dark matter operates in the universe.

Space weather forecasting doesn't yet command the same resources as Earth weather forecasting, even though the stakes are growing.