From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Two rare X-class solar flares from sunspot AR4274 on November 4 sent twin coronal mass ejections toward Earth, prompting NOAA ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth ...

NASA will preview two January spacewalks at the International Space Station, outlining planned tasks, timelines, and astronaut roles during a media briefing ...

January tends to pass quietly for most people, but above Earth, it rarely does. The International Space Station keeps moving, ...

The moon and sun share top billing in 2026. Kicking off the year's cosmic wonders is the moon, drawing the first astronauts ...

The 26-foot-tall (8-meter-tall) cargo lander is expected to embark on its first flight during the first quarter of 2026, ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

The agency last heard from the MAVEN (Mars Atmosphere and Volatile EvolutioN) orbiter on December 6, and the last fragment of ...