Are mysterious flows on airless worlds made by salty water?

A new study from researchers at SwRI and JPL suggests that briny water could explain unusual flows on airless worlds like Vesta, Ceres and Europa.

Small asteroid hit Earth’s atmosphere just after discovery

A small asteroid hit Earth's atmosphere over the Pacific Ocean just after it was discovered on Tuesday, October 22, 2024.

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

Gliese 229 B - the first-known brown dwarf - is really a binary system of two brown dwarfs entwined in an incredibly close orbit. See their orbit here!

A large fireball blazed over Lake Erie last night

Witnesses described a large fireball over Lake Erie last night. The American Meteor Society had some 350 reports as of this writing. Thousands must have seen it!

R Aquarii: A dynamic duo with geyser-like eruptions

Hubble captured images of R Aquarii, a binary star system 700 light-years away. It has violent eruptions that produce spiral filaments of glowing gas.

When can YOU see the 1st-ever human-made meteor shower?

When DART spacecraft hit asteroid Dimorphos, it released debris that should arrive at Mars and Earth, creating the 1st human-made meteor shower for the planets.

Is there a volcanic exomoon orbiting this giant exoplanet?

Astronomers with NASA and Caltech have found that a volcanic exomoon may be producing a cloud of sodium gas near a giant exoplanet 635 light-years away.

Could microbial life on Mars be hiding under ice?

A new NASA study said microbial life on Mars could exist in pools of liquid water beneath dusty ice deposits, with enough sunlight for photosynthesis.

First 1% of new cosmic atlas reveals millions of galaxies

The Euclid mission to survey the universe and understand the nature of dark energy and expanding universe has just released the first 1% of its cosmic atlas.

Eavesdropping on alien signals between exoplanets

Scientists looked for alien signals sent between exoplanets in the TRAPPIST-1 system. They used radio telescopes to seek the intelligent transmissions.