Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the second-fastest ever observed. This "twilight asteroid" orbits close to the Sun, ...

Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

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

Earth asteroid that had been hidden in the sun’s glare, marking a significant advancement in planetary defense. This ...

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 ...

WASHINGTON (Reuters) - A fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to ...

Harvard Medical School researchers are designing next-gen robots that can flex, contract, and grow like human beings.

Discovered in August 2025, the 19-meter-wide asteroid is likely to be in Earth’s orbit until after 2083, and then will slowly ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...