An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

Titan is a strange world, at -300 degrees Fahrenheit, and shrouded in a jaundiced smog. Similar to Earth, the atmosphere is ...

We tend to think of the weather as mundane, the sort of boring things you talk about when you have nothing else to say, but ...

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told ...

Almost 90% of Antarctica's land is covered in a thick layer of ice — around 1.3 miles (2.2 kilometers) deep, on average — and ...

Launched in 1972 by the Soviet Union, the spacecraft known as Kosmos 482 was part of a series of missions bound for Venus. But this one never made it out of orbit around Earth, stranded there by a ...

If you're banking on Earth being around forever, Elon Musk has some grim news: we're living on borrowed time—and the sun has ...

Scientists have been baffled after discovering bizarre structures on the Martian surface which look like 'a patchwork of ...

BEIJING/CANBERRA: Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the Red ...

But evaporation, freezing and rocks can’t quite account for all the water that must have covered Mars in the distant past. Calculations suggest the “missing” water is enough to cover the planet in an ...