NASA’s Lucy spacecraft is set to fly by the asteroid Donaldjohanson on April 20 in a key rehearsal for its primary mission to ...

NASA has defined asteroids as small, rocky objects that orbit the sun like planets, but they are much smaller in size. Most ...

NASA has recently identified an unidentified object orbiting the Sun, sparking intrigue and speculation within the scientific community. This enigmatic body exhibits unusual characteristics that ...

In a groundbreaking discovery, scientists using the James Webb Space Telescope have detected potential biosignatures—DMS and DMDS—in the atmosphere of ocean-covered exoplanet K2-18b, 120 light-years ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...

If future Mars colonizers want to survive without pressure suits, they’ll need to generate a denser atmosphere. One way to ...

Engineering students are building a compact, energy-efficient device that can pulverize asteroid rocks for Design Day ...

The future of interplanetary travel is looking brighter, thanks to the new Sunbird nuclear-powered rocket designed by Pulsar ...

Of all the asteroids that become meteoroids by striking Earth's surface, only 4% contain abundant carbon. But scientists know ...

A planetary scientist explains new research explaining the differing compositions between space rocks that hit Earth and are brought back.

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at ...