Two “superpuff” planets orbiting a sunlike star over 1,000 light-years from Earth are as big as Jupiter and as dense as ...

Proposed federal rules would rely on political appointees to decide how a lot of U.S. science gets done. History shows the ...

Terrestrial planets experience landslides in spades, and so do some moons, asteroids and comets. But — until now — they’ve ...

The Smithsonian Natural History Museum’s latest exhibit, “From These Lands,” connects visitors with America’s natural history ...

Analysis of 3,000 incidents in Canada reveals which animal–human activity combos are especially risky. Of note: Elk and ...

The HER Salt Lake Contraceptive Initiative’s approach, which centered the user and made refills easy, meant all types of ...

The gold standard of scientific review, peer review by researchers’ colleagues, is in crisis. AI might offer a solution but ...

There’s never been a good method to check for violations of the Outer Space Treaty’s prohibition of nuclear weapons in space.

Two studies of Neandertal remains suggest their newborns were about the same size as those of modern humans but developed ...

The ambitious expedition aims to fill data gaps about the glacier-sea boundary to predict when the world might tip into a ...

Marine cloud brightening could cool part of the Pacific and weaken extreme El Niños, simulations suggest. But the approach ...

The High-Luminosity LHC, planned to switch on in 2030, could help physicists unravel mysteries about the Higgs boson, dark ...