Potentially dangerous comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, ...

NASA has completed the twin satellites it will launch next year to study the solar wind and its impact on Earth. The Tandem ...

Last week, three tiny Australian satellites from Curtin University's Binar Space Program burned up in Earth's atmosphere.

Even as Earth sets new heat records, humanity this year is pumping 330 million tons (300 million metric tons) more carbon ...

A small but mighty cluster of sunspots have made their biggest mark yet on Earth's magnetosphere—and on the radio signals ...

Scientists have recently found a black hole with a mass 33 times that of our Sun, and it's surprisingly close to ...

In what could be the world’s first commercial enterprise of this novel renewable energy source – you know, the Sun – the ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Voyager 2's visit to Uranus may have left us with the complete wrong impression of the ice giant for nearly 40 years, ...

Solar activity includes phenomena such as sunspots, solar flares and solar wind – the stream of charged particles that flows ...

Much of what we understand about Uranus comes from data gathered by NASA's Voyager 2 spacecraft. Thirty-eight years ago, this ...

For decades, the observation has been an enigma. But not anymore. Recent analysis of Voyager's old data found that extreme ...