Lighter-toned bedrock that surrounds fractures and comprises high concentrations of silica—called "halos"—has been found in Gale crater on Mars, indicating that the planet had liquid water much longer than previously ...
Engineers are troubleshooting a snag on NASA's Curiosity that's preventing the rover from moving its robotic arm and driving to another spot on Mars, the space agency said Tuesday.
The University of Western Australia's Zadko Telescope has been used by an international team to reconstruct the shape of a rare 'Barbarian' asteroid (space rock).
The Moon is bombarded by so much space rock that its surface gets a complete facelift every 81,000 years, according to a study released Wednesday based on NASA data.
A small asteroid designated 2016 RB1 safely flew past Earth today at 10:20 a.m. PDT (1:20 p.m. EDT / 17:20 UTC) at a distance of about 25,000 miles (40,000 kilometers, or just less than 1/10th the distance of Earth to the ...
An expert in meteorites says a bright flashing light and loud boom over the skies in metro Phoenix looks like a single meteor burning up as it entered the Earth's atmosphere at thousands of miles per hour.
Sharks swim around a platform off Mexico's east coast as scientists drill deep into the ocean floor, extracting the remains of the asteroid widely blamed for the demise of the dinosaurs.
The box was inconspicuous, but Lawrence Livermore National Laboratory (LLNL) postdoctoral researcher Megan Bruck Syal immediately knew its contents: two meteorites around the size of walnuts. They formed about 4.6 billion ...
After a comet for Halloween, another Earthly holiday will be marked by a visit from a celestial body—this time a large asteroid zipping past on Christmas Eve, astronomers said Thursday.
A massive space rock that will shave by Earth on Halloween looks like a dead comet with a skull face, NASA said after gaining a closer look at the spooky space object.