NASA has announced a new challenge that could shape the future of space exploration. The agency is calling on innovators, ...

Thanks to the transmission of our language, we have managed to survive,” explains Roger Kuyoc, who was born in Tizimín Yucatán, Mexico.

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.

Neutron stars, the collapsed remnants of massive stars, hold the densest matter in the universe. These cosmic objects are ...