Does phosphine on Venus mean … life?

2 research teams say they found more signs of phosphine on Venus. They also announced a tentative detection of ammonia: another possible biosignature gas.

Evidence for intermediate-mass black hole in Omega Centauri

A new study finds strong evidence for an intermediate-mass black hole - an elusive type - in the Omega Centauri globular cluster.

The electromagnetic spectrum: It’s more than visible light

The light our eyes can detect is only a sliver of the light out there. The electromagnetic spectrum describes all the wavelengths of light, seen and unseen.

1st lunar lava tube discovered by NASA moon orbiter

An international team of researchers said it has found the 1st evidence for an ancient lunar lava tube on the moon. It is located in Mare Tranquillitatis.

Shoemaker-Levy 9 impact on Jupiter 30 years ago

Comet Shoemaker-Levy 9 hit Jupiter in 1994, 30 years ago, scarring the gaseous surface and leaving behind water that remained in the atmosphere for decades.

This desert moss could grow on Mars, no greenhouse needed

Scientists in China say a desert moss commonly found on Earth can survive the harsh conditions of Mars. Future astronauts could use it to grow other plants.

Astronomer Michael Brown: ‘I killed Pluto. Now I’m searching for Planet 9’

Cool astronomy livestream on Monday, July 14! EarthSky's Deborah Byrd will be talking with astronomer Michael Brown, who calls himself "the man who killed Pluto."

Eyeball ocean world? Webb reveals an intriguing super-Earth

NASA's Webb space telescope has revealed that exoplanet LHS 1140 b is a super-Earth ocean world. It may have an ocean on one side or a global ice-covered ocean.

Will the official definition of a planet change … again?

Astronomers will vote on a new definition of a planet in August 2024. The update would include exoplanets and set mass limits.

Falcon 9 return to flight OK’d by FAA

A SpaceX Falcon 9 launched Thursday night exploded. It was carrying a Starlink satellites that failed to reach their proper orbit and are now expected to make a fiery reentry.