The unprecedented observations of comet 41P/Tuttle–Giacobini–Kresák show its rotation slowing, reversing and then speeding up, and jet-like outbursts of gas might be providing the push.
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The powerful magnetic field belonging to the sun is generated far beneath the visible surface.
Observations from the James Webb and Hubble space telescopes reveal Saturn’s atmosphere and rings in the most detailed view created to date.
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Lightning on Jupiter may pack more than 100 times the power of Earth’s bolts, and may prove one million times stronger, a new study finds.
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Europe’s Hera spacecraft has completed a major deep-space maneuver, setting it on course to rendezvous late this year with the asteroid system targeted by NASA’s DART mission back in 2022.
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The asteroid will make a close approach to Earth just three days following its discovery.
NASA plans to launch its first nuclear-powered interplanetary spacecraft in 2028, a probe called Space Reactor-1 Freedom that will carry a fleet of tiny helicopters to Mars.
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Fiber-optic cables on the moon could detect moonquakes, offering a simpler way to study lunar activity and support future Artemis missions.
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Astronomers have found four new moons orbiting Jupiter and 11 new moons around Saturn.
NASA’s Hubble Space Telescope has captured a rare cosmic moment: a comet breaking apart in real time.