Posts by 

Paul Scott Anderson

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.

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.

Ice grains from ocean moons could hold tiny traces of life

A study from an international team of scientists shows it might be possible to detect microscopic life in ice grains in plumes of ocean moons like Enceladus.

Jupiter’s stormy weather on display in new Hubble images

NASA's Hubble Space Telescope has sent back new images of Jupiter's stormy weather. Hubble monitors the atmospheres of all the giant planets every year.

Possible hycean world found by Webb telescope

NASA's Webb Space Telescope has discovered a possible hycean world, with a deep hydrogen atmosphere and a global water ocean. Or is this world too hot?

Pieces of asteroid Bennu now on display for YOU!

Would you like to see a pristine sample of asteroid Bennu? Small fragments are now on display in Arizona, Texas and D.C. Learn more here.

How ice shells of ocean moons provide clues to habitability

Researchers at Cornell University say that scientists can determine the water temperature of ocean moons by measuring the thickness of their ice shells.

Europa has enough oxygen to support a million people

Europa has enough oxygen to support 1 million people a day, but that's less than once thought. This could have implications for habitability in Europa's ocean.

1st-ever metal scar on a cannibal star

Astronomers have discovered a metal scar on a cannibal star, a white dwarf or "dead" star. They believe it formed when the star consumed one of its planets.

Earth-passing asteroid seen in new radar images

NASA scientists used the Goldstone Solar System Radar in California to take images of asteroid 2008 OS7 as it passed by Earth on February 2, 2024.