Westerlund 1, the biggest and closest “super” star cluster to Earth, dazzles in this image released on July 23, 2025. This view combines X-ray data from NASA’s Chandra X-ray Observatory
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View at EarthSky Community Photos. | Eric Jensen in Milwaukee, Wisconsin, shared this “montage of the lunar eclipse” on March 14, 2025. Thanks, Eric! How to watch a total lunar
Exoplanets are worlds orbiting distant stars. Astronomer Néstor Espinoza of Space Telescope Science Institute spoke with EarthSky’s Deborah Byrd in May 2024, about this diversity of worlds beyond our sun
Tonight (Sept. 7–8, 2025), the moon will slip into Earth’s shadow for a total lunar eclipse — creating a dramatic ‘blood moon’. It’s completely safe to watch with the naked
Desorption of Terrestrial Noble Gases in Mars 2020 Sample Tubes: Implications for Mars Sample Return
Mars Sample Tube Awaiting A Ride To Earth — NASA The Mars Sample Return (MSR) Campaign aims to collect and transport to Earth samples of martian atmosphere contained in sample
Dark matter, as its name suggests, is really dark, so dark in fact that it doesn’t interact in any way with light or any other part of the electromagnetic spectrum.
arXiv:2508.00249v1 Announce Type: new Abstract: Any population of artificial radio broadcasts in a galaxy contributes to its integrated radio luminosity. If this radio emission is bright enough, inhabited galaxies themselves
Science and maintenance work continued this week aboard the International Space Station (ISS), but updates regarding those activities are still all but halted by the U.S. government shutdown. Japanese astronaut
Interstellar object 3I/ATLAS imaged by the Hubble Space Telescope. Could similar objects be the seeds of new planets around young stars? Image credit: NASA/ESA/David Jewitt (UCLA). Image Processing: Joseph DePasquale
Science & Exploration 17/09/2025 113 views 2 likes The X-Ray Imaging and Spectroscopy Mission (XRISM) has revealed an unexpected difference between the powerful winds launching from a disc around a
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