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NASA's Perseverance rover spies mysterious 'helmet' on Mars (photo)
The medieval-looking "helmet" is the latest addition to Mars' gallery of odd-shaped rocks.
Is water really a necessary ingredient for life? Aliens may swim in truly exotic pools
A new study finds that liquids other than water might be able to support life on worlds beyond Earth, potentially expanding the envelope of life throughout the cosmos.
Red supergiant star expels mysteriously large cloud of gas
The star, called DFK 52, is a member of a cluster of similar red supergiants, but it's losing mass at an extreme rate never seen before.
Rocket launch today: Is there a rocket launch and what time?
Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
Satellites watch Tropical Storm Erin take shape over the Atlantic Ocean (video)
Forecasters warn Erin may intensify into the season's first major hurricane within days.
On this day in space! Aug. 13, 2014: WorldView-3 Earth-observing satellite launches into orbit
WorldView-3 is a high-resolution imaging satellite that can resolve features as small as 1 foot (31 centimeters) across.
New lunar surface simulator in Colorado puts moon machinery to the test
A large simulated moonscape built by the Colorado School of Mines is open for business, allowing researchers and companies to test their ideas for lunar rovers, landing pads, mining gear and more.
China's moon lander passes key test | Space photo of the day for Aug. 13, 2025
The Chinese lunar lander Lanyue recently passed a test in a simulated moon-like environment.
