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NASA’s Curiosity rover appears as a dark speck (bottom center) in this contrast-enhanced view captured on February 28, 2025, by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter. Trailing Curiosity

View larger. | Artist’s concept of the river that once flowed into Gale crater on Mars, forming a lake. Did it also rain on ancient Mars? A new study suggests

View larger/full image. | NASA’s Curiosity rover on Mars saw this little flower-like rock formation in 2022. It has a life-like quality about it, but it’s really just a small

Artist’s illustration showing a spacecraft reentering Earth’s atmosphere. An old Soviet spacecraft – Kosmos 482 – that has been circling Earth for 53 years is set to finally reenter our

Data visualization of the sun as seen from Apollo 16’s lunar landing site. A new experiment, using moon dust collected on the Apollo 17 mission, has found evidence that the

Watch this video sharing some of the Hubble Space Telescope’s greatest hits over 35 years. Science matters. Wonder matters. You matter. Join our 2025 Donation Campaign today. Happy 35th anniversary,

View larger. | The Curiosity rover took this image of the drill site location Ubajara in Gale crater on April 30, 2023. This is where the rover found some of

An artist’s concept animation of what it is like in the upper atmosphere of Jupiter. Ammonia-water mushballs could be raining out of violent thunderstorms, just like hailstorms on Earth. Via

Watch EarthSky’s founder Deborah Byrd interview Marc Hon of MIT, the lead author of the new study. Astronomers have discovered a planet that’s rapidly disintegrating, producing a comet-like tail. The

If we could see our home galaxy the Milky Way as it was in the early universe, what would it have looked like? A new study said it would look