NASA's Perseverance rover is on track to collect its first-ever Mars sample in the next few days.
The European Sentinel 2 satellite has flown over Mount Etna just as the volcano, the most active in Europe, erupted for the 50th time this year on Sunday (Aug 29).
How rare is our solar system? In the 30 years or so since planets were first discovered orbiting stars other than our sun, we have found that planetary systems are common in the galaxy.
We're getting a bird's-eye view of some of the damage Ida has wrought, thanks to before-and-after photos snapped by Maxar Technologies' WorldView-2 satellite.
Powerful eyes in the sky watched the menacing maelstrom Ida churn through the southern United States, even at night.
The launch of NASA's Earth-observing Landsat 9 satellite will be delayed a week due to a shortage of liquid nitrogen.
By entangling the motion and quantum properties of a beryllium crystal, scientists have achieved unprecedented precision for measuring electromagnetic waves.
Humanity is feeling the effects of climate change around the world, but could climate change make humans go extinct?
NOAA's GOES 17 satellite has captured this video of Caldor Fire as the blaze spread south of Lake Tahoe and forced the evacuation of tens of thousands of residents.
Mysterious repeating pulses of radio waves may come from a hitherto unknown kind of extraordinarily powerful cosmic magnet, and not pairs of stars as previously suggested, a new study finds.
What are the chances that a primordial black hole forged in the earliest moments of the universe will come wandering toward Earth?
There's no consensus yet on how supermassive black holes form, but a new mesmerizing simulation is taking a crack at that question like never before.
Hurricane Ida hit Louisiana as a Category 4 storm, the first U.S. landfall of 2021. See photos of the hurricane from space here.
A flaming blue sword seems to pierce a giant cosmic heart in a gorgeous new photo captured by the Hubble Space Telescope.
The sheer size of Hurricane Ida when it made landfall on Sunday was clearly visible from a NOAA satellite 1 million miles away.
Hurricane Ida, an "extremely dangerous" Category 4 hurricane, made landfall near Port Fourchon, Louisiana, at 11:55 a.m. local time on Sunday.
Researchers show how intelligent aliens might draw nearly-limitless power from a black hole using a Dyson sphere.
Satellite photos are capturing final views of the U.S. evacuation effort from Kabul, Afghanistan after the Taliban's takeover.