Mercury will reach its greatest eastern elongation on Oct. 29, marking one of the best evenings to see the planet this fall ...

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

We’re locked and loaded to experience a lovely little preview of its hijinks courtesy of the retrograde pre-shadow, or ...

Just hearing the phrase “Mercury retrograde” could give you a headache, given its reputation for slowing down even the best ...

Hidden by the Sun’s glare, a new space object has been found lurking in our Solar System, and it's one of the fastest-moving ...

What Matters Now • The extraordinary discovery of the “twilight” asteroid 2025 SC79, detected by the Dark Energy Camera, ...

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

Jupiter's influence on our Solar System dates back to a time when Earth was still just a cloud of dust and gas. Long before ...

Mercury, the innermost planet of our Solar System, exhibits a uniquely dynamic magnetosphere that, despite its relatively weak intrinsic magnetic field, undergoes rapid and complex interactions with ...

The early years of our solar system were a period of unimaginable chaos and violence, a gravitational free-for-all where colliding planetary embryos competed for survival. In this tumultuous ...

"One explanation is the presence of an unseen planet, probably smaller than the Earth and probably bigger than Mercury, ...