A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Imagine an object sailing through the black void, a piece of cosmic shrapnel that was formed in a star system light years ...

Much remains to be known about the chemical composition of small asteroids. Their potential to harbour valuable metals, materials from the early solar system, and the possibility of obtaining a ...

Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

Revisiting old data from Voyager 2, scientists have worked out how a dense, shocked region of the solar wind could have ...

Millions of pieces of debris now circle Earth in space. Scientists are exploring new ways to remove them and protect future ...

With J.R.R. Tolkien's high-fantasy world of Middle-earth being so far removed from our own, it's easy to get so caught up in what's on the map itself that we rarely even think about what's not on it.

A space solar power startup has emerged from stealth after demonstrating a key technology for its plans to transmit power from space to the Earth.

It’s been hypothesized for decades that life on Earth may not have been as “homegrown” as one might think and now, we’re ...

Cradled in the nose of a high-altitude research airplane, a new NASA sensor has taken to the skies to help geoscientists map rocks hosting lithium and other critical minerals on Earth’s surface some ...

Clocks tick faster on Mars than they do on Earth, in part because Mars experiences less gravitational pull from the Sun. Now ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...