Mike Wall

Commercial and government satellites could be targets of the Russian military as it seeks advantage in Ukraine, the head of the U.S. National Reconnaissance Office said.

SpaceX launched nearly four dozen satellites and landed the returning rocket Monday (Feb. 21).

SpaceX sent a U.S. spy satellite to orbit Wednesday (Feb. 2) in the second of three planned launches over a four-day stretch.

A Falcon 9 rocket topped with the CSG-2 radar satellite lifted off from Cape Canaveral Space Force Station Monday (Jan. 31) at 6:11 p.m. EST (2311 GMT).

NASA's Curiosity rover has found some interesting organic compounds that may be signs of ancient Mars life, but much more work is needed to vet that hypothesis.

SpaceX has some nice before-and-after photos to mark the 10th launch of one of its Falcon 9 rockets, thanks to a satisfied customer.

The Persei upper stage of a Russian Angara A5 rocket crashed back to Earth in an uncontrolled fashion.

NASA's next big space observatory is finally aloft, but it'll be a while before it starts its highly anticipated science mission.

The $10 billion Webb is considerably bigger and more complex than the Hubble Space Telescope, and it will be going much farther afield as well.

Elon Musk thinks that problems with SpaceX's Raptor engine production pose potentially dire consequences for the company, according to media reports.

Landsat 9's first photos show the Florida Panhandle, Detroit and its surrounding area, Navajo Country in northern Arizona, the high Himalayas and the Kimberley region of Western Australia.

China's mysterious recent space-tech test is not a sign that the sky is falling.

NASA's Perseverance Mars rover has emerged from its first "solar conjunction" blackout and gotten back to work on the Red Planet.

A failed Russian spy satellite crashed back to Earth early Wednesday morning (Oct. 20), burning up in a brilliant fireball spotted by many observers in the American Midwest.

We now know what caused that memorable power slide during Astra's most recent launch.

Venus may not be such a tantalizing target for alien hunters after all.

North Korean state media declared the test of the Hwasong-8 a success, but outside experts are skeptical.

The water flowing from a medieval fountain in the Italian village of Fontecchio bubbles with extraterrestrial effervescence.

The ice-hunting Volatiles Investigating Polar Exploration Rover (VIPER) will land just west of Nobile Crater, which sits near the moon's south pole, NASA officials announced Tuesday (Sept. 20).

Mars was doomed to desiccation by its small size, a new study suggests.

Brazilian observer José Luis Pereira captured a bright flash on the solar system's largest planet on Sept. 13, memorializing the fiery death of a space rock high in the Jovian atmosphere.

Perseverance collected another drilled-out core of a Martian rock dubbed "Rochette," sealing the sample in its designated titanium tube on Wednesday (Sept. 8).

Two physicists just snagged $3 million for helping develop a super-precise clock that could allow scientists to study and explore the universe like never before.

A flaming blue sword seems to pierce a giant cosmic heart in a gorgeous new photo captured by the Hubble Space Telescope.

The robotic Dragon capsule delivered about 4,800 lbs. (2,200 kilograms) of supplies and scientific gear to the orbiting lab.