NASA’s TESS Mission Reveals the “Puffiest” Planets Ever Found
Data from NASA’s TESS (Transiting Exoplanet Survey Satellite) mission has revealed two new “super-puff” planets, giant worlds so…
Why Mars May Remain Uninhabitable for Centuries
Realistic image of a completely terraformed Mars. Credit: Daein Ballard Making Mars Earthlike is not impossible in principle,…
This Famously Pink Planet Is Hiding a Surprising Secret
GJ 504 b, which NASA calls a “puffy pink planet,” shares two out of three catchphrases with Kirby.…
Arizona astronomers use AI to study meteors
“Modern meteor networks capture a wealth of observational information, and we wanted a framework that could fully take…
Massive underground structure discovered beneath the Moon’s South Pole-Aitken basin
The Moon’s biggest scar may be hiding something even stranger than the impact that made it. Deep beneath…
Scientists Spent 13 Years Bouncing Radar Off Europa. Here’s What They Found
It’s a good time to be a Europa fan—scientists keep announcing new insights into the distant, icy world.…
NASA’s Lucy Reveals Wobbling, Peanut-Shaped Asteroid
Even small asteroids lead complex lives. During its flyby of the asteroid Donaldjohanson last year, NASA’s Lucy spacecraft…
Ancient Meteorite Reveals a Forgotten Planet That Existed 4.5 Billion Years Ago
An ancient meteorite may be the last surviving remnant of a vanished protoplanet. Credit: Stock A rare meteorite…
Astronomers Find Strongest Evidence Yet for Magnetic Fields on Alien Worlds
This illustration shows magnetic activity in an exoplanet. The planet is a gas giant like Jupiter, but it’s…
Jupiter Flings Particles to Nearly the Speed of Light. The Weird Part Is How
Our most powerful particle accelerators mimic near-light speeds of cosmic particles. But no upgrade may be capable of…
Blue Origin rocket explosion rattles NASA’s mission to put humans back on the Moon
Buoyed by the successful Artemis II mission around the Moon in April, NASA has been ramping up its…
Jupiter’s Largest Moon Has a Rare Magnetic Field. A Strange Theory May Explain It
Jupiter, the biggest planet in our solar system, also hosts some of the biggest moons. That includes Ganymede,…