Posts by 

Paul Scott Anderson

Did Webb find signs of life on exoplanet K2-18 b?

NASA's Webb telescope looked at the sub-Neptune exoplanet K2-18 b. It found methane, carbon dioxide, a possible ocean, and even ... maybe ... a biosignature.

The strange case of methane on Mars: Possible new answers

New experiments show that methane on Mars, in Gale crater, may seep out of the ground when hard crusts of perchlorate salt temporarily warm up and weaken.

See the Martian spiders of Inca City in new images

Martian spiders? Inca City? Both geologic features on Mars. The European Space Agency (ESA) just released new images of them. Take a look!

Giant magnetar eruption is 1st seen in another galaxy

The European INTEGRAL satellite detected a giant magnetar eruption of gamma rays. This rare, powerful event is the first witnessed in another galaxy.

Brown dwarf auroras might cause methane emission

For the 1st time, astronomers have found glowing methane on a brown dwarf. The researchers say that auroras in the brown dwarf's atmosphere may cause it.

Asteroid hunt by Hubble telescope using AI

Astronomers used the Hubble Space Telescope to go on an asteroid hunt. They found over 1,000 previously unknown small asteroids in the asteroid belt.

Io’s volcanoes have been erupting for billions of years

A new study reveals Io's volcanoes have been erupting for billions of years, ever since the small moon of Jupiter 1st formed along with our solar system.

Venus’ atmosphere is leaking gases into space

The BepiColombo spacecraft, headed for Mercury, flew past Venus and found that carbon and oxygen ions are escaping into space from Venus' atmosphere.

Did this Mars rock once lie along an ancient lakeshore?

NASA's Perseverance rover sampled an unusual Mars rock called Bunsen Peak. It is rich in carbonate and silica and likely came from an ancient lakeshore beach.

3 young planetary systems revealed by Webb telescope

NASA's Webb space telescope looked for baby planets in the protoplanetary disks in 3 young planetary systems. It didn't find any, and scientists explain why.

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