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Mars is covered in evidence of ancient lakes, rain and snow — but scientists aren't sure how that's possible
Valleys on Mars suggest the Red Planet was once covered in flowing water — but it's still a mystery how that could have been.
Planning on rewatching 'Revenge of the Sith' for its 20th anniversary? Here's why 'The Clone Wars' finale makes it a better movie
The end of the long-running animated show puts Anakin Skywalker's downfall in a whole new perspective.
Mars orbiter snaps 1st image of Curiosity rover driving on the Red Planet (photo)
A NASA Mars orbiter recently spotted the Curiosity rover driving across the Red Planet's surface, capturing an unprecedented off-Earth action shot.
Hubble Space Telescope at 35 | Space photo of the day for April 24, 2025
Thirty-five years ago today, the Hubble Space Telescope was launched into Earth orbit.
See a cosmic 'smiley face' in the early morning sky as the moon greets Saturn and Venus tomorrow
Nobody knows it, but the universe has a secret smile, and it uses it only for Earth.
Scientists discover super-Earth exoplanets are more common in the universe than we thought
Super-Earths can exist in wider orbits around their parent stars than was previously believed, suggesting these Earth-like exoplanets could be more common than we thought.
China's Shenzhou 20 astronauts arrive at Tiangong space station (video)
The three astronauts of China's Shenzhou 20 mission arrived at the nation's Tiangong space station today (April 24), about 6.5 hours after lifting off.
The 1st 'Predator: Badlands' trailer looks amazing, but it's the 'Alien' universe teases that have us most excited (video)
The first public look at Predator: Badlands has finally arrived, and it's safe to say this new entry is doubling down on the series' sci-fi worldbuilding.
