Last month, an asteroid impacted Earth's atmosphere just hours after being detected — somehow, it managed to circumvent ...

A new European Space Agency mission is set to study asteroid Apophis to learn more about how we can handle asteroid threats ...

DART's goal was to examine how well a planetary defense strategy in moving a threatening space rock away from Earth. Hera will examine the collision from a nearby vantage point, providing a different ...

A close flyby of an asteroid as large as Apophis happens only once every 5,000 to 10,000 years. Scientists plan to learn all they can.

A new study posits that our planet's gravity will cause seismic activity on Apophis when it makes its close approach in 2029.

Goodnight room, goodnight moon. The Hera spacecraft, speeding on to an asteroid, took a look back at Earth's moon — and in a new animation, you can see our neighbor shrinking as Hera flies away.

The asteroid is likely to be egg-shaped or possibly dual-lobed, resembling Arrokoth, a small celestial body that NASA’s New ...

Asteroid 2024 DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide ...

Goodnight room, goodnight moon. The Hera spacecraft, speeding on to an asteroid, took a look back at Earth's moon — and in a new animation, you can see our neighbor shrinking as Hera flies away.

A “city killer” asteroid the size of the Empire State Building ... Astronomers gave a 2.7% chance of a direct hit. In 2021, NASA ruled that out after calculations refined its orbit, but ...

They appear to have been formed by 10 or more related space rocks including the comet 2P/Encke. One hypothesis is that Comet ...