5000th comet for sun-observing SOHO spacecraft

Citizen scientists using imagery from the SOHO solar observatory have now discovered their 5000th comet. You can help, too! Join the Sungrazer Project.

Japanese moon lander SLIM survives 2nd lunar night

Japanese moon lander SLIM - which set down sideways on the moon on January 20 - has survived its 2nd night on the moon. It has awoken and is transmitting data.

How 2 billion craters on Mars were created by 1 asteroid

An asteroid created a large Martian crater called Corinto, about 2 million years ago. Debris from the impact also created 2 billion smaller craters on Mars.

1st image of Milky Way’s black hole in polarized light

Scientists using the Event Horizon Telescope imaged the polarized light from our Milky Way's black hole for the first time. Learn more about what that means.

Major bridge collapse in Baltimore, 6 presumed dead

There was a bridge collapse in Baltimore, Maryland, yesterday, and rescue operations are ongoing. A container ship struck one of the bridge supports.

Does Jupiter’s moon Europa have a habitable ocean, or not?

2 new studies suggest the subsurface ocean on Jupiter's moon Europa may not be as habitable as previously thought, due to a geologically inactive seafloor.

Chimpanzees stayed in ‘invisible cage’ after zoo upgrade

A new study found chimpanzees in a zoo in South Africa stayed in tight groups in their previous territory even after their enclosure was enlarged and upgraded.

El Niño causes spike in 2023 global sea level

Scientists discovered a spike in sea level in 2023 as a result of El Niño conditions. This data comes from 30 years of satellite and ground-based observations.

Fake eclipse glasses polluting marketplace, astronomers warn

With the total solar eclipse approaching, counterfeit and fake eclipse glasses are polluting the marketplace. Here's how to make sure you get the right thing.

March full moon is the Worm Moon

The March full moon on March 24-25, 2024, is near the bright star Spica in the constellation Virgp. There's also a penumbral lunar eclipse!