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

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 ...

Stargazers can see 10-20 Lyrid meteors per hour during its peak. This meteor shower also occasionally produces fireballs.

Could our planet be trapped in an invisible cosmic tug-of-war? Some scientists believe that the strange movements of galaxies ...

How can we successfully collect and return samples from Mercury and Venus to Earth? This is what a recent study presented at the 56th Lunar and Planetary Science Conference hopes to address as a pair ...

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 ...

The Perseids peak on August 12–13, 2025, but a bright, waning gibbous moon will obscure many meteors. Only the brightest ...

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

The Japanese asteroid-sampling spacecraft Hayabusa2 has been forced into protective "safe mode" while journeying through deep ...

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.

Recent James Webb Space Telescope observations have provided the strongest indications yet of potential life beyond our solar ...

In an astonishing announcement, astronomers claim to have detected the most promising “hints” of potential life on a planet ...