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On this day in space! Jan. 20, 1978: 1st Progress cargo delivery ship launched
On January 22, 2003, NASA's Pioneer 10 spacecraft beams its last data transmission back to Earth.
Hubble tension is now in our cosmic backyard, sending cosmology into crisis
Measurements of the distance to the Coma Cluster of galaxies find that it is millions of light years closer than the standard model predicts.
Save nearly $75 on these all-purpose Celestron Nature DX ED 8x42
Deals These rugged, all-weather Celestron binoculars are perfect for wide-field stargazing and wildlife watching, and now they're just $152, plus an additional $15 off.
Northern lights forecasts, alerts, and geomagnetic storm warnings
The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.
Night sky for tonight: Visible planets, stars and more in this evening's sky
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
Earth's elusive 'ignorosphere' could shed new light on auroras
Japanese scientists have created the first-ever long-term dataset about Earth's entire atmosphere, stretching all the way to space.
Finland becomes 53rd country to join the Artemis Accords for moon exploration
Finland just became the Artemis Accords' 53rd member nation, bolstering NASA's efforts to establish peaceful and cooperative international space exploration.
Bill Nelson steps down as NASA chief as Trump begins 2nd term
Bill Nelson has stepped down as NASA administrator, ending a half-century of public service. Janet Petro is now the agency's interim chief.
