Sketches of the two end-members of possible bulk compositions of Uranus and Neptune: a water-dominated interior (left) and a rock-dominated interior (right). The dark brown at the planetary center represents
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Dark Matter May Have Left Its Fingerprint in a Gravitational Wave.
Dark matter makes up roughly 85 percent of all the matter in the universe. We have never directly detected a single particle of it. But a new method developed by
Artemis III: The Mission That Has to Work Before Humans Can Return to the Moon.
Artemis II has barely left the headlines. On April 1st 2026, four astronauts climbed aboard NASA’s Orion spacecraft, rode the most powerful rocket ever to carry humans beyond low Earth
It's Raining Stardust. It Has Been for Thousands of Years.
Right now, as you read this, Earth is drifting through a cloud of debris from an ancient stellar explosion. Stardust, real stardust, is raining down on us so thinly scattered
Baily’s beads seen during a solar eclipse today in 1836
Baily’s beads are beads of sunlight caused when sunlight shines between mountains and other features on the moon. These Baily’s beads are from the February 16, 1991, annular solar eclipse.
NASA Men's Classic Space Shuttle T-Shirt
Elevate your wardrobe with the NASA Men’s Classic Space Shuttle T-Shirt—a timeless tribute to one of humanity’s most extraordinary achievements in space exploration. Crafted predominantly from soft, breathable ringspun cotton,
Picturing Earth in a New Light
Earth Observatory Science Earth Observatory Picturing Earth in a New Light Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on
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Landing on the Moon is not easy, particularly when a crew or spacecraft must meet exacting requirements. For Artemis missions to the lunar surface, those requirements include an ability to
Billionaire philanthropist and private astronaut Jared Isaacman is headed back to Washington D.C. as the Senate Committee on Commerce, Science, and Transportation votes to advance his confirmation as NASA Administrator.
ESA/Hubble & NASA, L. C. Ho, D. Thilker Today’s rather aquatic-themed NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy, which sits 45 million light-years
Maps of the lightning flash rate in flashes km−2 yr−1 diagnosed by the M09 scheme in high-resolution UM simulations with the surface pressure of 0.25, 0.5, 1, 2, 4, 10
ESA’s state-of-the-art Biomass satellite launched aboard a Vega-C rocket from Europe’s Spaceport in Kourou, French Guiana. The rocket lifted off on 29 April 2025 at 11:15 CEST (06:15 local time).
At NASA’s Michoud Assembly Facility in New Orleans, the liquid hydrogen tank for the Artemis 3 Space Launch System rocket was moved into the factory’s final assembly area on April
TESS Target Pixel Files — astro-ph.EP The origin and evolution of the sub-Neptune population is a highly debated topic in the exoplanet community. With the advent of JWST, atmospheric studies
Cartoon explaining the mechanism behind the formation of self-sustaining vortices at the temperature plateau at water snow region. The temperature substructure gives rise to marginal mismatch in the gas accretion
Statistical analysis of subgroup contributions using stacked histograms normalized on the global BE distribution for NH3, each subgroups representing a type of adsorbate-ice H-bond configuration. BE and σ are the
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