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.
unsolved mysteries
Posted inNews
Move Over, Beavers. Dinosaurs Might Also Have Been Nature’s Engineers
Late Cretaceous dinosaurs may have cut back vegetation, creating large floodplains. When the asteroid hit, those floodplains became forests, a new study argues.
Posted inFeatures
How an Interstellar Interloper Spurred Astronomers into Action
Valuable lessons from previous interstellar objects allowed scientists to develop a more rapid response when the third one arrived in July.
Posted inNews
Blame It on the BLOBs
For decades, scientists have suspected that large volcanic eruptions have their origins in two mysterious massive regions at the base of our planet’s mantle. Now, it’s been statistically proven.
Posted inNews
Arctic Ice Shelf Theory Challenged by Ancient Algae
Chemical signatures of marine organisms reveal that seasonal sea ice, not a massive ice shelf, persisted in the southern Arctic Ocean for 750,000 years.
Posted inNews
New Satellite Adds Evidence of an Earth-Shaking Wave
A tsunami struck a fjord in East Greenland in 2023, ringing seismometers for nine straight days. A new satellite study provides the first observational evidence of the waves.
Posted inResearch & Developments
Rubin Observatory Stuns and Awes With Sprawling First Look Images
Wow. Just wow.
Posted inNews
Have We Finally Found the Source of the “Sargassum Surge”?
The complexity of modeling the tropical Atlantic makes identifying the source of the ongoing seaweed blooms difficult.
Posted inResearch Spotlights
Proposed Experiment Could Clarify Origin of Martian Methane
Curiosity’s detection of the gas, if atmospheric, could be an indicator of life on the Red Planet. But skeptics say further work is needed to rule out the rover itself as the source of the methane.
Posted inNews
A Super Speedy Star May Be Streaking Through Our Galaxy
Astronomers suggest the star is towing along an exoplanet. The system could be traveling fast enough to escape the Milky Way.