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What is Vesta It’s not an asteroid nor a planet. And a new study says it doesn’t have a core, either. This view of Vesta is from the Dawn mission.

An enormous cloud of molecular gas called Eos clings to the edge of a gigantic structure – the Local Bubble – that our sun resides within. Only 300 light-years away,

The Gaia space telescope has spotted a family of stars that is getting ready to disperse wildly across the galaxy like kids tearing out on the playground at the start

Artist’s illustration of a super-Earth exoplanet close to its red dwarf star. Now, astronomers have discovered a super-Earth orbiting farther out from its star than Saturn. This suggests that super-Earth

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,