Ukrainian President Volodymyr Zelenskyy warned the United States not to strike a deal with Russia “behind our backs”, as he ...

Elon Musk's internet satellites have been a game changer for people in rural areas, but scientists are alarmed that plans to ...

YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.