Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

A space diagram shows the comet passing between the orbits of Earth and Mars sometime during late fall or early ... rocky debris left over from the formation of the solar system. Currently, the comet ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

NASA has discovered the interstellar comet 3I/Atlas, located 4.5 au from the Sun, offering a rare glimpse into celestial ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar object to pass through our solar system.

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...

It’s officially the third known interstellar object to pass through our solar system and poses no threat to Earth.

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. ISTOCK / GETTY IMAGES PLUS The planets in our solar ...

A super-Earth just beyond Mars would throw all the smaller rocky worlds of the inner solar system completely out of whack; the super-Earth's gravity would push and pull the other planets into ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Rio Hurtado first spotted the object streaking in from the direction of the constellation Sagittarius. At the time, ...