Are mysterious flows on airless worlds made by salty water?

View larger. | NASA’s Dawn spacecraft captured this enhanced color view of the dwarf planet Ceres.…

Small asteroid hit Earth’s atmosphere just after discovery

The ATLAS survey discovered a small asteroid shortly before it hit Earth’s atmosphere on October 22,…

After 29 years, first-known brown dwarf revealed as twins

This artist’s impression shows the brown dwarf twins Gliese 229 Ba and Gliese 229 Bb. For…

A large fireball blazed over Lake Erie last night

Ryan Connor from North Royalton, Ohio, was one among many people who captured a large fireball…

Could microbial life on Mars be hiding under ice?

View larger. | Gullies in Terra Sirenum on Mars. Scientists say the white patches are dusty…

A dynamic duo with geyser-like eruptions

Hubble captured a colorful close-up of R Aquarii, a bright binary star surrounded by a large…

First 1% of new cosmic atlas reveals millions of galaxies

With the Euclid mission, scientists hope to gain insight about our expanding universe by learning more…

Is there a volcanic exomoon orbiting this giant exoplanet?

View larger. | Artist’s concept of the possible volcanic exomoon. A new study study suggests the…

Searching for alien signals sent between exoplanets

View larger. | Artist’s concept of the planets of the TRAPPIST-1 system, lined up in order…

The moon illusion makes the moon look huge!

The moon illusion is a trick of the mind We’ve all seen a full moon looming…