The Earth is constantly at risk of collisions with celestial objects, including asteroids and comets, which are present in vast numbers in space. To mitigate these risks, NASA is actively engaged in ...

NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five ...

The first was a flyby of the asteroid Dinkinesh on Nov. 1, 2023. This coming Sunday, Lucy will zip past her second target, ...

NASA's Lucy will venture as close as 596 miles to this asteroid, an estimated 2 ½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

The Lucy mission is on a 12-year journey to explore a peculiar set of asteroids that lead and follow Jupiter as it orbits the Sun. As it journeys to these Trojan asteroids, the probe is preparing for ...

Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

On April 11, 2025, a large asteroid named 2023 KU, approximately 113 meters wide, will safely pass Earth at a distance of ...

An asteroid called 2020 CD3 was bound to Earth for several years before leaving the planet’s orbit in 2020 and another called 2022 NX1 became a mini-moon of Earth in 1981 and 2022 and will return ...

As NASA prepares to return to the moon, studying astronaut health and safety is a top priority. Scientists monitor and ...

An Apollo-class asteroid, 2011 VG9, is approaching Earth at a staggering speed, set to pass on April 16th. While not ...

NASA is working on a new space observatory, NEO Surveyor, the first spacecraft designed to assess the threats of asteroids well in advance. The mission launch date is expected to be in the fall of ...