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A new study of two supernova remnants, the debris left behind after stars explode, suggests the explosions came from stellar…
After more than two decades, the orbit of NASA’s Neil Gehrels Swift Observatory has entered a phase of rapid decay.…
Earth has four seasons: spring, summer, fall, and winter. Other planets can experience seasons, too, but they might be wildly…
Help read the story of galactic encounters in galaxy shapes. For anyone with a smartphone or laptop.
NASA has awarded Katalyst Space a contract to raise the orbit of its Neil Gehrels Swift Observatory.
XRISM (X-ray Imaging and Spectroscopy Mission) launched on Sept. 6, 2023, from Japan’s Tanegashima Space Center. It is the seventh…
XRISM (X-ray Imaging and Spectroscopy Mission) is designed to transform our understanding about some of the universe’s hottest regions, largest…
NASA’s Neil Gehrels Swift Observatory temporarily suspended most science operations in an effort to reduce atmospheric drag and slow the…
