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Curiosity Mars rover discovers largest organic molecules ever seen on Red Planet
While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical signatures of past life, if it ever existed.
US Space Force celebrates return of 1st Guardian to launch to space (photos)
U.S. Space Force Col. Nick Hague is back on Earth after living on the International Space Station for the last five-plus months.
On this day in space! March 25, 1655: Christiaan Huygens discovers Saturn's moon Titan
On March 25, 1655, Saturn's moon Titan was discovered by the Dutch scientist Christiaan Huygens.
Best places in the US and Canada to see rare 'double sunrise' during partial solar eclipse on March 29
During the partial solar eclipse on March 29, 2025, a weird "double sunrise" will grace the skies between Canada's St Lawrence River and the Bay of Fundy, via the easternmost point of the U.S.
Aurora alert! Moderate geomagnetic storm could spark northern lights as far south as New York and Idaho tonight (March 25)
Aurora chasers are on high alert for geomagnetic storm conditions overnight with northern lights possible at mid-latitudes.
Dazzling photos of this month's total lunar eclipse showcase a blood red moon near the Milky Way's heart
Breathtaking photos of this month's total lunar eclipse capture a blood red moon and star-studded Milky Way over NOIRLab's Cerro Tololo Inter-American Observatory in Chile.
Mysterious blue spiral spotted over European skies. What was it? (photos)
A strange blue spiral lit up the sky over Europe on Monday night (March 24), with residents of the UK and other countries speculating on its true nature on social media.
