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 ...

A possible threat to life on Earth has been identified by researchers at São Paulo State University (UNESP) in Brazil: asteroids that share Venus’s orbit but which currently can’t be detected. These ...

Space can be a dangerous place, with massive rocks hurling through the solar system at fast speeds, some of which may be headed in our direction. NASA and other agencies keep a close watch on the ...

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 ...

We have the 5-letter answer for Asteroids source crossword clue, last seen in the WSJ Crossword September 6, 2025 puzzle. Let us help you solve the crossword clue that has you stumped so you can ...

Two plane-sized asteroids will rocket past Earth today at speeds of up to 28,000 mph, according to Nasa's Jet Propulsion Laboratory. The two asteroids, 2025 QB5 and 2025 QK3, will pass within 2.81 ...

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 ...