But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s also an ‘interstellar visitor’ that, if you ask Loeb, could be an alien ...

The number 40,000 might not sound particularly dramatic, but it represents humanity's growing catalog of near-Earth asteroids, rocky remnants from the solar system's violent birth that cross paths ...

Asteroids contain large quantities of both precious and common metals, and despite the obvious challenges in reaching them, a few startups say these celestial bodies could offer a sustainable ...

Some asteroids are more dangerous than others, according to a report issued this week in Nature Astronomy by an international team of researchers, led by astrophysicist Auriane Egal of the Montreal ...

Meteoroids When somewhat larger rocks stray into the solar system, they are meteoroids, and if a bit bigger, they come from asteroids or from comets. Because most of those tiny bits of dust end up ...

Scientists studying asteroids found that two seemingly unrelated types share a strange dusty coating of troilite. By using polarization of light instead of traditional spectra, they uncovered evidence ...

While about 20,000 previously unknown asteroids are discovered every year by telescopes around the world and spacecraft in orbit, the first images by the new Vera C. Rubin Observatory revealed 2,000 ...

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a mysterious Planet Nine. By Kenneth Chang Kenneth Chang visited the Vera C. Rubin ...

Because their orbits are unstable, a possibility exists that the asteroids could break off from their current trajectory and one day head on a collision course for Earth. The Venusian space rocks are ...

New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance. NASA's Parker Solar Probe captured this image showing the nightside surface of ...

It may look like Earth’s twin, but Venus is keeping secrets. New research suggests that dozens—possibly hundreds—of asteroids are quietly orbiting the Sun in sync with Venus. Known as Venus ...

A new study from the University of São Paulo in Brazil said some asteroids orbiting Venus “can pose a collisional hazard to Earth” benmoss/Getty Experts say Venus is hiding some asteroids that could ...