The first black hole merger detected by LIGO affirms that the surface area of a black hole can increase over time, but not decrease.
CT scans of hummingbird-sized specimens trapped in amber reveal that the 99-million-year-old fossils have a number of lizardlike features.
Nearly all of the worlds on misaligned trajectories in other solar systems orbit at nearly 90 degrees to their stars’ equators.
A space station experiment suggests future deep-space explorers don’t need to worry about passing the effects of space radiation on to their children.
No one knows if coronavirus booster shots will be necessary. But researchers are working on figuring that out.
A lunar particle collider that dwarfs any such facility on Earth might not be impossible, according to new calculations.