If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Scientists examined infrared space surveys to narrow down candidates for Planet 9. Planet 9 would be so far from the Sun that ...

On May 9, a stadium-sized potentially ... collides with our planet once every 700,000 years. Scientists at the Center for Near Earth Object Studies responsible for tracking the long term potential ...

The 950-foot hunk of primordial matter is classified as a "potentially hazardous asteroid," but that doesn't mean it has a ...

Kosmos-482, a spacecraft bound for Venus in 1972, was a time capsule from the Cold War when superpowers had broad ambitions ...

A Soviet-era spacecraft meant to land on Venus a half century ago is expected to plunge uncontrolled back to Earth within ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

They add: "The asteroid's orbit around the Sun sees it safely pass Earth several times in just a few years before ...

A Soviet-era spacecraft has plunged to Earth, more than a half-century after its failed launch to Venus. The half-ton ...

The long-theorized Planet 9, which astronomers have speculated could ... It could have a mass about 5 to 10 times that of Earth and orbit about 20 to 30 times farther from the Sun on average ...

Season 4 of the Emmy-winning culinary dramedy “The Bear” hits Hulu June 25, with all 10 episodes available at 5 p.m. PT/8 p.m ...