What if Earth has more than one moon? Scientists now believe our planet may be secretly hosting at least six "mini-moons" at ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

A mysterious object the size of Manhattan could be a hostile alien spacecraft and may attack Earth in November, according to ...

The exoplanet, Kepler-725c, has 10 times the mass of Earth and is located in the habitable zone of the sun-like star Kepler-725. The discovery is published in Nature Astronomy.

But these old rocks were one of the rarest minerals found on Earth. Until the discovery, only about a snowball-sized amount ...

The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...

Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that ...