A small object recently captured by Earth’s gravity may not be a natural satellite at all. According to Harvard astrophysicist Avi Loeb, the mysterious body, known as 2025 PN7, could be a lost piece ...

Explore how the DART mission advanced planetary defense using kinetic impactor technology and impactor hardware to enable real-world asteroid deflection strategies.

Our planet inhabits a hazardous environment. Earth is continually bombarded by cosmic objects. Luckily for its inhabitants, most of these objects are very small and cause no harm to life. Some, ...

An asteroid roughly the size of one to two school buses will fly by Earth Monday, coming as close as 91,593 kilometers (56,913 miles), according to the European Space Agency — equivalent to about one ...

A Harvard professor suggested that a strange interstellar object hurtling towards Earth could have been sent by aliens to test our intelligence. Professor Loeb has been vocal on his theories – but ...