After an asteroid struck Finland long ago, microscopic life colonized the impact site within a few million years, new research reveals.
Space & Planets
Posted inResearch & Developments
JPL Workforce Decimated
NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, Calif., laid off 550 people, a roughly 11% reduction of its workforce.
Posted inNews
Space Radiation Can Produce Some Organic Molecules Detected on Icy Moons
As missions prepare to visit ocean worlds like Enceladus and Europa, new findings show scientists must first learn to distinguish between radiation-made organics and those born in a subsurface sea.
Posted inNews
Zircon Crystals Could Reveal Earth’s Path Among the Stars
Researchers found signs of melting in zircon crystals in the crust that correspond to our planet’s journey through the galaxy’s spiral arms.
Posted inResearch Spotlights
Magnetic “Switchback” Detected near Earth for First Time
Until recently, this type of zigzag shape—formed by energetic rearrangement of magnetic field lines—had been seen only near the Sun.
Posted inNews
Planets Might Form When Dust “Wobbles” in Just the Right Way
A liquid metal experiment has shown how magnetic rotational instability might allow dust to pool together in disks around young stars to form new worlds.
Posted inNews
Scientists May Have Finally Detected a Solid Inner Core on Mars
Seismic clues from NASA’s InSight mission suggest that Mars hides a solid inner core, and raise new questions about why the planet’s magnetic field disappeared.
Posted inFeatures
Small Satellites, Big Futures
Programs that teach students to design, build, and launch tiny satellites are helping to inspire the next generation of space scientists and engineers.
Posted inEditors' Highlights
New Evidence for a Wobbly Venus?
The orientation of wind-blown impact deposits on Venus is not consistent with modeled wind directions, suggesting Venus’s rotation axis may have changed.