After a major winter storm swept across the country in late January, a prolonged surge of Arctic air tightened its grip on large areas of the U.S. pushing temperatures well below normal. From the Midwest to the South, the impacts of snow and ice became more extreme.

American space agency NASA announced it has decided who will fly the fifth private mission to the International Space Station (ISS): Axiom Space.

All going well, a four-person crew will soon launch into deep space. But delays and troubled test flights have led some to call for radical change.

The Nancy Grace Roman Space Telescope, set to launch in May 2027 with a 288MP camera, will “unveil the cosmos to the edge of the observable universe”

Four astronauts preparing for an extended stay in space have started quarantine as they get ready for their next big mission.

Sign up for CNN Science’s pop-up newsletter covering NASA’s Artemis II mission, which will take four astronauts on a 10-day journey around the moon and back.

NASA plans to launch the Crew-12 mission earlier than intended after a medical evacuation at the ISS. But could the Artemis 2 mission delay it?

The legislation would require NASA to collect data for agriculture, wildfire mitigation and space weather analysis.

NASA’s first crewed lunar mission in more than 50 years won’t be getting underway this month after all. It had been targeting February 6 for the launch of the much-anticipated Artemis II mission that will take four astronauts on a flight around the moon,