Posts by 

Paul Scott Anderson

A super-Venus exoplanet (with a watery name)

Astronomers thought that exoplanet GJ 1214 b was either a watery super-Earth or a mini-Neptune. But a new study says it is more like a super-Venus exoplanet.

New images of exocomet belts around 74 nearby stars

The new REASONS survey has found exocomet belts around 74 nearby stars. The images reveal a wide variety of comet belt appearances and ages. Find out more.

Lakes on Mars had ripples! They must have been ice-free

At least some ancient lakes on Mars were ice-free. NASA's Curiosity rover discovered evidence for small wind-blown ripples on the former lakes in Gale crater.

Pandora exoplanet telescope to launch in late 2025

The spacecraft bus for the Pandora exoplanet telescope has been complete. Pandora will analyze atmospheres of at least 20 exoplanets after its 2025 launch.

Wow! Binary star’s dusty rings shine in new Webb images

NASA's Webb Space Telescope has taken stunning new images of a binary star's dusty rings. The rings of Wolf-Rayet 140 are expanding at 1% the speed of light.

Wham! Hear a meteorite hit the ground for the 1st time

See and hear a meteorite for the first time as it hits the ground outside a home on Prince Edward Island in Canada. Watch and listen here!

Why are these black hole X-ray flashes accelerating?

Astronomers at MIT have observed unusual black hole X-ray flashes that are accelerating in frequency. A white dwarf star near the black hole might be the cause.

Citizen scientists provide insights to Jupiter’s clouds in new study

Scientists thought Jupiter's clouds were made of ammonia. But now, in a new study, citizen scientists provide insights showing that's not the case.

Are methane-belching microbes on Mars hiding underground?

A new study suggests microbes on Mars might exist deep below the surface, and in one region in particular. They might even explain Martian mysterious methane.

Blame asteroid for demise of dinosaurs, not volcanoes

Did an asteroid cause the demise of dinosaurs? Or was it volcanoes, or both? A new study said the huge Chicxulub asteroid impact is still to blame.