Scientists warn of asteroid danger

A leading astrophysicist from Queen's University Belfast has warned that an asteroid strike is just a matter of time.

NASA's asteroid-hunting spacecraft a discovery machine

NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) mission has released its third year of survey data, with the spacecraft discovering 97 previously unknown celestial objects in the last year. Of those, ...

New potentially hazardous asteroid discovered

An international team of astronomers on Monday announced the discovery of a large asteroid whose orbit crosses that of Earth, creating a small chance far in the future of a catastrophic collision.

There's one last place Planet Nine could be hiding

A study recently submitted to The Astronomical Journal continues to search for the elusive Planet Nine (also called Planet X), which is a hypothetical planet that potentially orbits in the outer reaches of the solar system ...

Asteroid sample brought back to Earth gets close-up look

In December 2020, Japan's Hayabusa2 spacecraft swung by Earth to drop off a cache of rock samples taken from a near-Earth asteroid called Ryugu. Asteroids like Ryugu are thought to represent the ancient building blocks of ...

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