Some of the most revealing objects in the solar system do not belong to it. Comet 3I/ATLAS, only the third confirmed interstellar visitor ever identified, has become a test case for how modern ...

New observations have ruled out the chances of an asteroid hitting the moon in 2032, according to scientists using the James Webb Space Telescope.

NASA confirms that asteroid 2026 CC3, about the size of a bus, will make a close flyby of Earth on March 11, 2026, at a distance roughly four times that of the Moon’s orbit. Is this asteroid a "danger ...

Astronomers using the Atacama Large Millimeter/submillimeter Array in Chile have detected extraordinarily high levels of methanol in interstellar comet 3I/ATLAS, with methanol-to-hydrogen-cyanide ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger ...

Here's what scientists have now learned about the DART mission.

The European Space Agency said it is investigating a fireball that streaked across the skies of Europe on the weekend before reportedly punching a football-sized hole in the roof of a German home.

Sixty-six light-years away, an Earth-sized exoplanet completes an orbit in under six hours, skimming around its star at nearly one-hundredth the distance that Mercury orbits the Sun. This planet is ...

The possibility of alien life has moved from fiction to scientific inquiry, fueled by government interest in UAP reports. While scientists haven't confirmed alien spacecraft, the universe's vastness ...