Posts by 

Paul Scott Anderson

Milky Way’s farthest stars reach halfway to Andromeda

Astronomers have discovered the Milky Way's farthest stars in our galaxy's huge stellar halo. The most distant stars are almost halfway to the Andromeda galaxy.

Europa Clipper gets its gas-sniffing ‘nose’

NASA has receieved an advanced mass spectrometer for the Europa Clipper mission. It will analyze gases for clues about the ocean moon's habitability.

Help NASA study exoplanets with Exoplanet Watch

Do you want to help NASA study exoplanets? Now you can, with the Exoplanet Watch citizen science project. All you need is a telescope or a smartphone.

How to find life on Enceladus? Look in the plumes

Do we need to drill through miles of ice to find life on Enceladus? A new study says a simpler strategy is to just re-analyze the moon's water vapor plumes.

Jupiter’s moon Io: Global magma ocean, or hot metal core?

2 new research papers debate whether Jupiter's moon Io has a magma ocean or a hot metal core. The results were presented at the AGU22 meeting this month.

2 alien water worlds with oceans 500 times deeper than Earth’s

An international team of astronomers says that 2 exoplanets 218 light-years away are true water worlds, with global oceans 500 times deeper than Earth's oceans.

2 possibly Earth-like worlds, just 16 light-years away

An international team of astronomers has discovered 2 of the closest potentially Earth-like worlds so far, less than 16 light-years from Earth.

Hear a dust devil on Mars for the 1st time

For the 1st time ever, a rover has recorded the sound of a dust devil on Mars, a mini-tornado of dust and grit. Listen to it here!

Biggest marsquake detected is record-breaker

Researchers released new details about the largest marsquake recorded so far. At magnitude 4.7, it was 5 times stronger than the previous largest known quake.

1st TRAPPIST-1 results from Webb Space Telescope

Researchers announced results from Webb's 1st glimpse of the TRAPPIST-1 exoplanet system, which contains 7 Earth-sized worlds, several potentially habitable.