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.

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”

Findings allow scientists to learn more about dark matter’s influence on stars, galaxies, and planets

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

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

The four crew members of NASA’s SpaceX Crew-12 mission began their routine two-week quarantine on Wednesday at NASA’s Johnson Space Center in Houston ahead of their upcoming launch to the International Space Station.

Light is the fastest phenomenon in the universe, clocking in at just under 300,000 kilometers per second. The telescopes that observe that light, from radio waves to gamma rays, are built at rather slower speeds.

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.

The Artemis Accords aim to guide how countries cooperate in civilian exploration of the Moon, Mars, and other celestial bodies.

NASA's Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired.