On Saturday, go outside about an hour after sunset, look to the western sky and spot Mercury, Venus and Saturn close to the horizon.

Comet 3I/ATLAS is not coming back — and NASA says it is not a threat to Earth — but a new trajectory study argues we could ...

This is the story of Beagle 2, a plucky Mars probe that everyone thought failed at the last minute. But the story is a lot more complicated ...

Read a sci-fi short story every month and join a virtual community of fellow science fiction fans! NASA has given its ...

A helium flow interruption discovered overnight in NASA’s Space Launch System rocket is forcing the agency to roll the ...

For five years the Mars Rover has been exploring without the aid of maps, GPS or even a brief idea of where it’s going without the help of people on Earth feeding it information ...

For 42 years, NASA satellites have tracked how sunlight powers Earth’s climate. The long record is revealing subtle shifts that could reshape climate predictions. These findings are adding new layers ...

NASA’s Parker Solar Probe has spent the past year repeatedly diving into the sun’s outer atmosphere at speeds no human-made ...

An annular solar eclipse occurs when the moon passes between the sun and the Earth without completely covering the sun.

When agencies and operators prepare early, disruptions are shorter and less costly. Utilities and dispatch centers benefit from rehearsed fallback plans. Solar outbursts will continue, but clearer ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

The time between tracking failure and satellite collision has dropped to days, showing how fragile low Earth orbit has become.