NASA's head of planetary defence has revealed what keeps her up at night - tens of thousands of 'city killer' asteroids that remain undetected.

Senior figures at NASA have issued a stark warning regarding the safety of Earth from space-borne threats. Speaking at a ...

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The internet creator and author wants to continue helping people fuel their curiosity with his brother, John Green Meredith Wilshere is a Society and Culture writer at PEOPLE. Her work has previously ...

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to ...

"The tools we are building are about our planetary future." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest ...

Join the Miguel Delaney: Inside Football newsletter and get behind-the-scenes access and unrivalled insight Join the Miguel Delaney: Inside Football newsletter Canadian snowboarder Mark McMorris, a ...

On a Sunday morning filled with all kinds of emotion, American Breezy Johnson won the women’s Olympic downhill race. It was the first gold medal of Johnson’s career and the first awarded to the United ...

For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

LIVIGNO, Italy -- Canadian snowboarder Mark McMorris withdrew from Thursday night's big air qualifier at the Milan Cortina Olympics less than 24 hours after a hard crash that resulted in a brief trip ...

CORTINA D’AMPEZZO, Italy — Lindsey Vonn’s pursuit of an against-all-odds Olympic medal ended Sunday with a broken left leg following a devastating crash only 13.4 seconds into the downhill final.

Olympic skier Lindsey Vonn’s status for the Winter Olympics is uncertain. While competing in her final downhill event before the upcoming world competition, Vonn crashed on the course and had to be ...