Posts by 

Paul Scott Anderson

Corals on Mars? NASA rover finds more remarkably weird rocks

Are these unusual formations fossilized corals on Mars? NASA's Curiosity rover found them recently. See more images here.

Rare massive white dwarf was born when 2 stars collided

A rare massive white dwarf star 128 light-years away formed from the collision and merger of 2 stars, NASA's Hubble Space Telescope has found.

Giant free-floating planets might have planets of their own

Giant free-floating planets drift in space with no stars. New observations from the Webb telescope suggest they could have their own planets orbiting them.

Surprisingly chaotic early universe had supersonic turbulence

In a surprisingly chaotic early universe, the 1st star-forming clouds experienced supersonic turbulence only a few hundred million years after the Big Bang.

Journey to a black hole? An innovative, epic mission concept

In a new mission concept, a tiny nanocraft probe could make the journey to a black hole. Once there, it could conduct experiments to test the laws of physics.

Surprise! Glaciers on Mars are made of mostly pure ice

Glaciers on Mars are at least 80% pure ice, a new study finds. Scientists had previously thought they contained a lot more rocky material.

UFOs in Canada? Official new report

The Chief Science Advisor of Canada has released a new report about UFOs in Canada. It provides guidelines to standardize UAP reports for government agencies.

New 5th planet found in system of remarkably diverse worlds

Astronomers have discovered a 5th planet in the L 98-59 planetary system, in the star's habitable zone. The system features a diverse range of worlds.

This baby exoplanet is shrinking toward a sad destiny

NASA's Chandra X-ray Observatory has found a baby exoplanet that is slowly losing its atmosphere and shrinking as it is pummeled by radiation from its star.

Extensive ancient rivers on Mars revealed in new study

A new study of data from 2 Mars orbiters shows vast ancient rivers on Mars in the Noachis Terra region. They show Mars was even wetter than we first thought.

2026 Donation Campaign

If EarthSky has ever helped you discover something new, prepare for an eclipse, spot a planet, or simply inspired a moment of wonder, today is the perfect day to give back. Your donation helps keep trusted science news, expert night sky guides, and independent science journalism free for everyone.

Please help keep EarthSky going by donating today!

Please help keep

EarthSky going!

If you've already donated, we apologize for the popup and greatly appreciate your support.