Astronomers do not know where thousands of “city-killer” asteroids are, Nasa’s head of planetary defence has admitted.

Two new satellite missions will help NASA scientists better understand Earth and improve the ability to foresee environmental ...

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

Thousands of “city killer” asteroids remain undetected, NASA warns, and no ready spacecraft exists to stop one. A recent close call exposed gaps that scientists say still leave Earth vulnerable.

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

See footage Orion Spacecraft, moon and Earth shortly before its "outbound powered flyby burn". Orion was less than 2000 miles away from the moon and over 200,000 miles away from Earth. Credit: Credit: ...

Glaciologist Helen Fricker will use a cutting-edge Lidar imaging system to study some of the world’s most isolated spots.

EARTH cannot defend itself against the thousands of “city killer” asteroids that are zooming around space near our planet, Nasa chiefs warn. They reckon there are about 15,000 undetected ...

The icy solar system comet C/2024 E1 (Wierzchos) is set to make its closest pass of Earth tomorrow (Feb. 17), an event known ...

NASA's Artemis 2 moon mission faces a new issue after a rocket test uncovered an issue with ground support equipment that ...

While heavily modified smartphones have been to space before, NASA is planning to send almost commercial-grade phones to the Moon for the first time.

A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a mission around the moon.