Much remains to be known about the chemical composition of small asteroids. Their potential to harbor valuable metals, ...

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

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

American astrophysicist and science communicator Neil deGrasse Tyson, and English physicist, science communicator, and ...

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

Human spaceflight is built on a simple paradox: the farther people travel from Earth, the more fragile their bodies and ...

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

An idea about the sun’s magnetic field called the terminator model could help predict dangerous space weather more accurately ...

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 ...