The James Webb Space Telescope has taken its first look at the near-Earth asteroid 2024 YR4 before a perilous close approach ...

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

YR4, once referred to as a ‘city-killer’ with the potential to cause regional devastation and impact the climate, is no ...

NASA’s NEO Surveyor, a spacecraft specifically designed to detect asteroids that could threaten Earth, is on track for a 2027 ...

NASA is about to begin a massive hunt for hidden asteroids, and may uncover city-destroying space rocks we’ve missed.

There are many home-grown problems on Earth, but there's still time to worry about bad things arriving from above.

Remember the potential "city killer" asteroid we were all freaking out about, 2024 YR4? Initially predicted with a small but ...

To save ourselves from a killer asteroid, first we have to find it. A spacecraft now under construction at NASA’s Jet Propulsion Laboratory in may be our best hope. The Near-Earth Object Surveyor is a ...

Surveyor, a $1.4-billion infrared telescope designed to detect asteroids and comets that could pose a threat to Earth.

The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...