An unexpected near-Earth asteroid has just skimmed past our planet. This space visitor, identified as 2025 TF, approached at ...

The little space rock, called 2025 TF, safely passed within roughly 250 miles (400 km) of our planet on Tuesday (Sept. 30) at ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Earth has a new friend — and it's been waiting for us to notice it for decades. In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the ...

NASA confirms four near-Earth asteroids will pass Earth safely, measuring from bus to house-sized, with no impact risk on 5th ...

The "potentially hazardous" asteroid 2025 FA22 will fly close past Earth at more than 24,000 mph on Thursday (Sept. 18). The ...

Dark comets are a unique type of cosmic object. While they may look like asteroids, they are actually comets with unusual ...

NASA’s Carruthers mission will capture the first full images of Earth’s exosphere, helping protect astronauts and guide the search for life.

While Planet Y has been not yet been directly observed, unexpected inclinations found in the orbits of roughly 50 distant objects in the Kuiper Belt, suggest the presence of an "unseen" planet.

Planets lacking plate tectonics and sufficient carbon dioxide and oxygen could make advanced civilizations like ours ...

James Webb Telescope tracked weather on rogue planet named SIMP 0136, showing auroras, sand clouds, and temperature changes.