The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

The asteroid is hurtling towards us at a zippy 15,000 miles per hour, according to the space agency's Jet Propulsion ...

Frequent droughts have pushed authorities to pursue a controversial plan to dam a river to save the waterway — an act that ...

Observations revealed ongoing fireworks featuring short bursts and longer flares. Imagine solar flares, but magnified to an ...

Earlier today, Donald Trump doubled down on his criticisms of Europe's handling of the war in Ukraine, claiming leaders Keir ...