The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Aaron Paul, Eiza González and director Flying Lotus spoke with UPI about their sci-fi thriller "Ash," in theaters Friday.

Scientists have discovered two diamond-like planets, PSR J1719-1438b and 55 Cancri e, challenging our understanding of ...

A pod of bottlenose dolphins seemingly took interest in the capsule that dropped out of the sky, circling and surfacing as ...

NASA astronauts Butch Wilmore and Suni Williams have returned to Earth after nine months in space, and the before-and-after ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

NASA’s James Webb Space Telescope has discovered 55 Cancri e, a super-Earth located 41 light-years away. This planet, five times larger than Earth, has extreme temperatures reaching 2,400°C and ...

NASA astronauts Butch Wilmore and Suni Williams are finally back on Earth after spending more than nine months in orbit on ...

Robert Zubrin, the planet’s leading strategist for landing humans on Mars, predicts SpaceX’s Starship will win the race to ...

Planet Labs stock, meanwhile, looks arguably riskiest of all, with no analysts willing to go on record and predict a date for ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

SpaceX CEO Elon Musk admitted that his dream of a self-sustaining Mars colony will need vast resources to survive.