In the distant past, the Solar System was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

The celestial object is what scientists call a quasi-moon — an asteroid that orbits the sun but appears to move alongside ...

PN7, earth's second moon, is a quasi-moon — a celestial object that travels almost exactly in sync with Earth. Researchers at ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a "second moon." ...

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

The moon isn’t alone; astronomers have discovered a new quasi-moon that’s following Earth’s orbit, but it’s only sticking ...

Study warns that humans may be driving Earth toward a sixth mass extinction. The research shows species loss, but the future ...

Human activity may be setting the stage for the largest extinction event since the asteroid that wiped out the dinosaurs 66 ...

In April 2029, Apophis is predicted by NASA to come within 32,000 kilometers (20,000 miles) of the Earth's surface. Closer ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...