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

I’m not sure whether it was elementary school science classes or Fred Flintstone’s Brontosaurus burgers that made the giant ...

On 13 April 2029, the asteroid 99942 Apophis will pass safely at a distance of about 32,000 kilometers above Earth's surface, within the geostationary orbit, posing no threat to the planet. This ...

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

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 ...

NASA is tracking a house-sized asteroid that’s approaching Earth at a zippy 36,216 miles per hour. The asteroid—known as “2025 TC”—is projected to make its closest approach at just 53,400 miles from ...

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

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets. The European Space Agency is making use of spacecraft designed for Mars and ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...

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