There is a period in the Universe known as the cosmic dark ages. It lies between the recombination of the first atoms and the ignition of the first stars, when
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A new study finds that hot super-Earths begin as large puffy worlds with low densities. Over time their atmospheres are stripped away to leave more dense planets orbiting close to
3 Min Read I Am Artemis: Dustin Gohmert Dustin Gohmert, Orion Crew Survival System (OCSS) manager, sits in the OCSS Lab at NASA’s Johnson Space Center in Houston. Credits: NASA/Rad
In sending a car-sized rotorcraft to explore Saturn’s moon Titan, NASA’s Dragonfly mission will undertake an unprecedented voyage of scientific discovery. And the work to ensure this first-of-its-kind project can
WASHINGTON — Amazon has purchased an additional 10 Falcon 9 launches from SpaceX as part of its efforts to accelerate deployment of its broadband satellite constellation. The deal, which neither
This composite image of the Cassiopeia A (or Cas A) supernova remnant, released Jan. 8, 2024, contains X-rays from Chandra (blue), infrared data from Webb (red, green, blue), and optical
Selection protocol used to isolate ligase ribozymes. An RNA library containing a partially randomized sequence (depicted in purple) derived from an AIP-ligase18 was challenged with an RNA substrate (depicted in
Don’t miss the final full moon of 2025, when the “Cold Moon” takes to the autumn sky at sunset on Dec. 5. Here’s how to watch the lunar spectacle unfold
Holiday travel reached new heights today (Nov. 27), as an American astronaut left home for Thanksgiving dinner — in Earth orbit. Chris Williams of NASA, together with his Soyuz MS-28
Deep layers of molten rock inside some super-earths could generate powerful magnetic fields—potentially stronger than Earth’s—and help shield these exoplanets from harmful radiation. (University of Rochester Laboratory for Laser Energetics
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