You’ve never heard of Cruithne? Well, that’s not terribly surprising. It’s a tiny object, roughly 3 miles (5km) in diameter. This is a bit larger than what we normally consider a near-Earth asteroid ...

Duncan Forgan, a research fellow at the University of St. Andrews, recently wrote in The Conversation about Earth's "second moon". While this is a sexy title that others have used in the past, it's ...

We all know and love the moon. We’re so assured that we only have one that we don’t even give it a specific name. It’s just The Moon. But the moon is not the Earth’s only natural satellite. Here’s ...

We all know and love the moon. We’re so assured that we only have one that we don’t even give it a specific name. It is the brightest object in the night sky, and amateur astronomers take great ...

Stepping stone to human mission to a near-Earth asteroid. (Courtesy: NASA) The Earth’s “second moon” is the target of an innovative concept for a space mission. The proposal – put forward by a ...

Since ancient times, humans have gazed at Earth's moon and wondered about its origins, its place in the Universe and why it was our only one. After the discoveries of Jupiter, Saturn and many other ...

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Last week, NASA announced the discovery of 2016 HO3, a little asteroid that dances around Earth at a distance of about 9 million miles. While the space rock technically orbits the Sun and not our ...

Quick: How many moons does the Earth have? You might be forgiven for saying “one,” but it turns out the question isn’t all that easy to answer … because it depends on what you mean by “moon.” Of ...

An asteroid that has been corkscrewing around Earth in recent years is now heading for deep space, according to NASA. The object, named 2003 YN107, was discovered in 2003. It arrived in Earth's ...