On January 13, 2025, Mars was captured rising above the lunar surface using the Shreve telescope at Kitt Peak National Observatory near Tucson, Arizona. (Image credit: KPNO Winsky & A. Sorensen / Image processing: J. Winsky & M. Zamani (NSF…
(Image credit: cokada via Getty Images) Dyson spheres, the theoretical megastructures that advanced alien civilizations could create to surround their star and extract its energy, have a serious flaw: they are highly unstable. But now an engineer claims to have…
Kessler syndrome ‘threatens our future in space’ unless proactive cleanup efforts are taken, according to a new report. (Image credit: janiecbros/Getty Images) The European Space Agency’s (ESA) latest State of the Space Environment report says that, if left unchecked, the…
SpinLaunch’s Meridian Space satellites will be stacked like pancakes on a ‘launch bus’ before being launched into space by a booster rocket. (Image credit: SpinLaunch) A California startup aims to launch hundreds of flattened “microsatellites” into low Earth orbit at…
The record-breaking early galaxy RUBIES-UDS-QG-z7 and its spectra observed with the JWST. (Image credit: NASA/CSA/ESA, A. Weibel, P. A. Oesch (University of Geneva), RUBIES team: A. de Graaf (MPIA Heidelberg), G. Brammer (Niels Bohr Institute), DAWN JWST Archive) Astronomers using…
New calculations suggest that a collision between young Mercury and a similarly sized protoplanet may have given it its unusual composition. (Image credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington) A recent study suggests that Mercury’s mysterious composition…
An image of the Small Magellanic Cloud taken by the Herschel Space Observatory. (Image Credit: Universal History Archive/Universal Images Group via Getty Images) Astronomers have found startling evidence that one of the galaxies near our own is being destroyed by…
April’s full moon will shine next to Spica, the brightest star in the constellation Virgo. (Photo credit: Catherine Ray Shumakov via Getty Images) On Saturday, April 12, at dusk, look to the east to watch the rise of the next…
A newly discovered pair of white dwarfs will explode as a Type 1a supernova when they get too close to each other in about 23 billion years. (Image credit: University of Warwick/Mark Garlick) A pair of spinning white dwarfs on…
Researchers tracking the motion of Uranus’ auroras have found that its rotation period is 28 seconds longer than previously thought. (Image credit: ESA/Hubble, NASA, L. Lamy, L. Sromovsky) A new study shows that a day on Uranus lasts about half…
Bright sprites, or short-lived light phenomena, sparkle above the clouds in video captured by NASA astronaut Don Pettit aboard the ISS. (Image credit: Don Pettit/NASA) NASA astronaut Don Pettit captured fascinating video of a rare atmospheric phenomenon from his position…
NASA’s Perseverance rover captured the moment a small dust devil (front left) collided with and merged with a larger one (right) on January 25. The rover was about half a mile away from the event. (Credit: NASA/JPL-Caltech/SSI) NASA’s Perseverance rover…