The former ISS commander said the crew’s evacuation of the space station left him feeling more confident about human space ...

Bats use echolocation to get around, but it wasn’t clear how these creatures managed to navigate dense environments—until now ...

Their trunklike fossils were discovered in 1843. Yet despite more than a century of speculation, scientists have struggled to ...

This new image of a portion of the Helix Nebula from NASA’s James Webb Space Telescope highlights cometlike knots, fierce ...

Beating the previous record for the oldest known cave artwork by at least 15,000 years, a hand stencil in an Indonesian cave ...

NASA is quietly ending financial support for independent planetary science advisory groups, according to a letter posted to ...

Children born to mothers who were exposed to smoke in southern California showed increased rates of autism, although the ...

In rethinking whether AI is sentient, we are asking bigger questions about cognition, human-machine interaction and even our ...

Solar prominences occur when the sun’s plasma, flowing along the magnetic field lines that the sun creates, forms a loop into space along the edge of the sun’s disk. When a prominence becomes ...

Extremophile molds are invading art museums and devouring their collections. Stigma and climate change have fueled their ...

The U.S. has held its measles-free status for more than 25 years. Experts say unrelenting outbreaks in the past year may ...

Humans are using more water than the Earth can support, with many water sources already damaged beyond repair, the report ...