A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Ancient ripples suggest a warmer, wetter past for the Red Planet that supported open water on its surface.

The European Space Agency (ESA) wants to develop key technologies for a Mars surface lander by the mid-2030s.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and ...

NASA’s Lucy mission will continue its journey to explore the Jupiter Trojan asteroids, which share Jupiter’s orbit around the ...

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...

The best viewing for January's planetary parade is about 90 minutes after sunset, in as dark and clear a spot as you can find ...

From west to east, Saturn, Venus, Neptune, Uranus, Jupiter and Mars will make an arc across Wyoming’s night sky in a parade ...

While SpaceX lost the upper stage of its new Starship in a flight test, the futuristic spacecraft presages a spaceflight revolution, says a leading U.S. space scholar.

over Mars. Illustration: NASA/ESA/JPL-Caltech/GSFC Check, check—is this thing on? NASA officials will announce an update on the Mars Sample Return mission tomorrow afternoon, providing some ...

Mars Sample Retrieval Lander Concept Illustration: A Sample Retrieval Lander would launch in 2028, carrying a NASA-led Mars rocket and small Mars helicopters. JPL-Caltech/NASA At the time ...