Debris thrown into the atmosphere by the space rock, rather than chemicals, was most likely responsible for killing off many species.

The spacercraft is targeted to arrive at Saturn's moon Titan in 2034.

Scientists say the effects of extreme space weather on life on Earth may be larger than previously thought.

NASA's Lucy spacecraft collected the first close-up images and other data as it passed 650 miles away from the asteroid.

The rock, named 16 Psyche, potentially has a core of iron, nickel and gold worth $10,000 quadrillion.

The conjunction was visible shortly after sunset, with the two objects shining low in the western sky.

The selfie was captured on March 11, the 1,797th day of the rover's mission.

The Arctic summer in Utqiagvik, Alaska, lasts 84 days.

It took a week of waving the arm on which the drill was mounted for the rogue rock to finally drop back to the Martian surface.

NASA’s Curiosity rover spotted unusual polygon shapes that resemble large fossilized reptile scales.