A new image from NOAA's GOES-19 satellite has captured a rate celestial cameo: Earth itself appearing in the view of the spacecraft's solar coronagraph.
Astronomers have sighted Betelgeuse’s mysterious companion — and it’s turning out to be full of surprises.
New satellite imagery from the European Space Agency reveals nearly four decades of dramatic ice loss for two of Patagonia's largest glaciers.
Ancient explosive volcanic eruptions on Mars could help explain mysterious hints of buried ice from the Red Planet's equator, a new study finds.
At the end of October Europa Clipper will fly in line with 3I/ATLAS’ ion tail — but will any of the charged particles reach the spacecraft, and will the spacecraft be ready to receive them?
Titan's chemical inventory is believed to bear some resemblance to the prebiotic soup on the early Earth.
Ancient rocks from Greenland, Canada and Hawaii preserve a rare chemical fingerprint that may come from the Earth before the moon-forming impact, a new study reports.
NASA's Hubble Space Telescope captures the glittering spiral galaxy NGC 6951, where a central bar fuels a spectacular ring of newborn stars.
The livestream is scheduled to start at 1:30 p.m. EDT (1730 GMT) on Oct. 20.
If life ever existed on Mars, traces of it might still be frozen beneath the planet’s icy surface.