This article originally published at Earth just got a new companion in space. It's sticking around for 60 years.. A one-way ...

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

A small asteroid, 2025 PN7, is now a quasi-moon, following Earth's orbit. Discovered by the University of Hawaii, this space ...

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

The next full moon will be the closest supermoon of 2025, set to shine for days. Here's when to watch and what to know about ...

The Earth now has another moon to tag along during its orbit around the Sun. Astronomers found out that the Earth has two ...

Learn about the mysterious interstellar object 3I/ATLAS and the controversy surrounding NASA's handling of information. Find ...

Here's where, when, and how to watch Orionids meteor shower and the Comet Lemmon against the darkness of tonight's sky and ...

NASA reports that this 'companion moon' has orbited alongside Earth for 60 years and will continue until 2083, after which it ...

We have more satellites than ever before, but when they burn up they create a new kind of air pollution. Evidence is now ...

According to one hypothesis, the comet is responsible for giving humans the swastika symbol, thousands of years in the past.

Comet Lemmon's nucleus is believed to be just a couple of miles in diameter. This is relatively small compared to other previously visible comets, such as the giant Hale-Bopp, which was visible in the ...