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How hot are atoms in the shock wave of an exploding star?A new method to measure the temperature of atoms during the explosive death of a star will help scientists understand the shock wave that occurs as a result of this supernova explosion. An internation [...]

Europeans contemplating moon mission by 2025The ArianeGroup wants to send a scientific mission to the moon before 2025. [...]

2-for-1: Total lunar eclipse comes with supermoon bonusThe only total lunar eclipse this year and next came with a supermoon bonus. [...]

The disintegrating exoplanet K2-22bExoplanet surveys have yielded many surprises over the years, and the discovery of "disintegrating" exoplanets was one of them. These are planets that produce asymmetric shapes in the dips o [...]

New eclipsing cataclysmic variable discoveredUsing the Mobile Astronomical System of Telescope-Robots (MASTER), an international team of astronomers has detected a new eclipsing cataclysmic variable. The newfound object, designated MASTER OT J06 [...]

Mystery orbits in outermost reaches of solar system not caused by 'Planet Nine'The strange orbits of some objects in the farthest reaches of our solar system, hypothesized by some astronomers to be shaped by an unknown ninth planet, can instead be explained by the combined gravi [...]

Waves in Saturn's rings give precise measurement of planet's rotation rateSaturn's distinctive rings were observed in unprecedented detail by NASA's Cassini spacecraft, and scientists have now used those observations to probe the interior of the giant planet and o [...]

Saturn hasn't always had ringsIn its last days, the Cassini spacecraft looped between Saturn and its rings so that Earth-based radio telescopes could track the gravitational tug of each. Scientists have now used these measurements [...]

Scientists find increase in asteroid impacts on ancient Earth by studying the MoonA team of scientists has determined the number of asteroid impacts on the Moon and Earth increased by two to three times starting around 290 million years ago. Previous theories held that there were f [...]

High-speed supernova reveals earliest moments of a dying starAn international team of researchers found evidence for the much theorized 'hot cocoon'. [...]

Three members of the International Space Station’s Expedition 57 crew, including NASA astronaut Serena Auñón-Chancellor, returned to Earth Thursday, safely landing at 12:02 a.m. EST (11:02 a.m. local [...]

The following is a statement from NASA Administrator Jim Bridenstine about the passing of Rona Ramon, widow of Ilan Ramon: [...]

Bettina Inclán has been named by Administrator Jim Bridenstine to be NASA’s Associate Administrator for Communications. [...]

NASA welcomed a new administrator, Jim Bridenstine, deputy administrator, Jim Morhard, and chief financial officer, Jeff DeWit, in 2018. Their focus is on firmly establishing the groundwork to send Am [...]

A series of new CubeSats now are in space, conducting a variety of scientific investigations and technology demonstrations, following launch Sunday of Rocket Lab’s first mission for NASA under a Ventu [...]