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

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

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

Avi Loeb suggested that if 3I/ATLAS is a spacecraft, it may use its proximity to the Sun's powerful gravitational pull while ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

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

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...