The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Researchers believe the “quasi-satellite” has accompanied Earth since 1957.

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning jewel—a planet around a tiny red dwarf star that may have the right conditions to ...

On April 18, scientists announce the discovery of three Earth-like planets potentially suited for life. Kepler-62e, Kepler-62f, and Kepler-69c are three unique examples among the total 122 confirmed ...