A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...

Siddharth Patel, a 12-year-old who lives in London, Ontario (west of Toronto), spotted two possible asteroids in September as ...

Asteroid 2025 SC79 is the size of a skyscraper and moves around the solar system at a record-breaking speed. Astronomers ...

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually. In a new study, planetary scientist Julio A. Fernández of Uruguay’s Universidad ...

Carnegie Science astronomer Scott S. Sheppard discovered the asteroid on September 27 with the Dark Energy Camera on the National Science Foundation's Blanco 4-meter telescope. That telescope searches ...

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days. the ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...