Artist’s concept of exoplanet TRAPPIST-1e, about 40 light-years from Earth. A new study urges caution when trying to determine if there is a methane atmosphere on TRAPPIST-1e, or any atmosphere
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The final ESA/Webb Picture of the Month feature for 2025 showcases a festive-looking region filled with glowing clouds of gas and thousands of sparkling stars. This star cluster, known as
EarthSky’s Kelly Kizer Whitt explains how to see Earth’s shadow and the Belt of Venus, in this video. We live in uncertain times. But things are always so much more
Leaders of SERVIR gathered at NASA headquarters in February to mark the 20th anniversary of the NASA–U.S. Agency for International Development (USAID) program, which helps developing nations tackle environmental challenges
Carl Sagan famously said that “We’re all made of star stuff.” But he didn’t elaborate on how that actually happened. Yes, many of the molecules in our bodies could only
Schematic view of the optical design and layout of the NIRPS spectrograph and its components. — astro-ph.IM The Near-InfraRed Planet Searcher (NIRPS) is a high-resolution, high-stability near-infrared (NIR) spectrograph equipped
Temperature-column mass structures for the models of each star. We shade the approximate temperature ranges over which the core and wings of Lyα forms in purple (≈8000–25,000 K for the
Result from a metadynamics simulation of the diffusion of a CO2 molecule over an ASW surface. The surface mesh indicates the van-derWaals surface of the ASW surface while the color
4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A graphic for the Moon Mascot: NASA Artemis II ZGI Design Challenge. Freelancer Whose Moon Mascot design will join
Betelgeuse, the stunning red star in Orion’s shoulder, has been hiding a secret companion for years but proving it has been somewhat challenging. When the elusive “Betelbuddy” (I love that
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