The medieval-looking "helmet" is the latest addition to Mars' gallery of odd-shaped rocks.
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.
Combining 25 years of space-based data with ocean sampling, scientists have uncovered a change in the microscopic organisms that underpin the Southern Ocean’s food chain and carbon storage.
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.
The exoplanet TRAPPIST-1 d intrigues astronomers looking for possibly habitable worlds beyond our solar system because it is similar in size to Earth, rocky, and resides in an area around its star where liquid water on its surface is theoretically possible. But according to a new study using data from the NASA/ESA/CSA James Webb Space Telescope, it does not have an Earth-like atmosphere.
Forecasters warn Erin may intensify into the season's first major hurricane within days.
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.
The Chinese lunar lander Lanyue recently passed a test in a simulated moon-like environment.
The Perseid meteor shower 2025 peaked Aug. 12-13, delighting skywatchers worldwide.
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Europe’s first MetOp Second Generation, MetOp-SG-A1, weather satellite – which hosts the Copernicus Sentinel-5 mission – has launched aboard an Ariane 6 rocket from Europe’s Spaceport in French Guiana. The rocket lifted off on 13 August at 02:37 CEST (12 August 21:37 Kourou time).
"We have never seen anything quite like it."
The 1132-piece buildable replica with moving parts is 18% off as Lego's Technic Mars Rover Perseverance set is one of its lowest prices on Amazon.
Video: 00:01:20
Europe’s first MetOp Second Generation, MetOp-SG-A1, weather satellite – which hosts the Copernicus Sentinel-5 mission – has launched aboard an Ariane 6 rocket from Europe’s Spaceport in French Guiana. The rocket lifted off on 13 August at 02:37 CEST (12 August 21:37 Kourou time).
Ushering in a new era of weather and climate monitoring from polar orbit, the first in a new series of satellites, MetOp Second Generation, has been lofted into orbit aboard an Ariane 6 rocket from the European spaceport in Kourou, French Guiana. As part of this new satellite’s sophisticated instrument package is the new Copernicus Sentinel-5 instrument, which is designed to deliver critical data on air pollutants, ozone and climate-related gases.
United Launch Alliance’s Vulcan rocket roared off the pad at Space Launch Complex 41 to begin the USSF-106 mission for the U.S. Space Force. This was the first national security launch using a Vulcan rocket and the 101st national security mission for ULA. Image: Adam Bernstein/Spaceflight Now
United Launch Alliance fired off it’s first fully operational Vulcan rocket Tuesday, boosting two military satellites into space in the first Space Force-sanctioned flight of a new launcher that eventually will replace the company’s Atlas 5 and already-retired Deltas.
A team of scientists have made a discovery that could help solve one of Earth's greatest mysteries, where did our planet's water come from? Using powerful radio telescopes, the researchers have detected water vapour in a comet located far beyond Neptune's orbit, and the results are changing our understanding of how life sustaining water arrived on our world.
Lava planets are some of Nature's most perplexing objects. Though they're rocky, they're locked in orbits so tight to their stars that they're molten. Scientists think that these planets are almost certainly tidally locked to their stars, meaning that their daysides always face their stars, while their nightsides never do. As a result, a lava planet's dayside may be molten while its nightside may not be.
For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical instruments, scanning the skies for artificial signals. Now, researchers are taking a different approach, this time looking much closer to home for alien artefacts that might already be in our Solar System.
Astronomers at the Pan-STARRS Observatory in Hawaii made history in 2017 when they detected 'Oumuamua, the first interstellar object (ISO) ever observed. Two years later, the interstellar comet 2I/Borisov became the second ISO ever observed. And on July 1st, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Rio Hurtado detected a third interstellar object in our Solar System, the comet now known as 3I/ATLAS (or C/2025 N1 ATLAS). Like its predecessors, the arrival of this object has fueled immense scientific interest and led to proposals for missions that could rendezvous with future ISOs.
To celebrate Alien: Earth landing on Hulu, we asked a zoologist if any of the Xenomorph's infamous characteristics occur in the natural world
The company is also looking at using its mothership aircraft that releases spacecraft at high altitude as a carrier platform for other customers.
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