Recently discovered asteroid 2023 DW has been predicted to have a close encounter with Earth on Feb. 14, 2046. See NASA's ...

UN launches a global planetary-defence campaign as interstellar comet 3I/ATLAS speeds past Earth, sparking both scientific ...

Comets Lemmon and SWAN are nearing Earth in a rare double cosmic treat. Where and what time can you see them? What to know.

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

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its ...

Southwest Research Institute could lose more than $265 million if the cuts go through, including defunding missions already ...

NASA has activated a global planetary defense group to study a massive interstellar object exhibiting strange, possibly artificial characteristics ...

NASA has confirmed a new cosmic tag-along: asteroid 2025 PN7, a “quasi-moon” orbiting the Sun in sync with Earth. This tiny ...

Unlike the Moon, which is gravitationally bound to our planet, 2025 PN7 shares an orbit around the Sun that closely mirrors ...

I/ATLAS has officially been added to the International Asteroid Warning Network's Comet Astrometry Campaign threat list ...

Harvard scientist Avi Loeb warns that 3I/ATLAS could be an extraterrestrial “Trojan horse” whose presence has major ...

The asteroid isn’t a second moon, instead it is a quasi-satellite that is trailing the Earth’s orbit around the sun. Unlike ...