Space around the Sun contains far more than planets. Scattered through it are smaller bodies made of rock, metal, ice and ...

Astronomers have confirmed that a small celestial object has been temporarily captured by Earth’s gravity. Often called a ...

NASA scientists recently expressed alarm over the potential threat posed by approximately 15,000 undetected asteroids capable ...

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

Thousands of “city killer” asteroids remain undetected, NASA warns, and no ready spacecraft exists to stop one. A recent close call exposed gaps that scientists say still leave Earth vulnerable.

NASA warns 15,000 mid-sized "city-killer" asteroids remain undetected. DART proved asteroid deflection possible, but no ...

NASA planetary defense experts report that mid-size near-Earth asteroids could cause regional damage, with detection and deflection remaining limited, according to New York Post and AAAS reports.

When an asteroid approaching the Earth flies through the planet in a passage that is as close as the EarthMoon neighborhood, the least significant consequence is drama. It is calibration: an ...

Astronomers do not know where thousands of “city-killer” asteroids are, Nasa’s head of planetary defence has admitted.

NASA officials warn that around 15,000 'city-killer' asteroids remain undiscovered, many lurking in a stubborn observational blind spot near the sun.

NASA's head of planetary defence has revealed what keeps her up at night - tens of thousands of 'city killer' asteroids that remain undetected.

A top astronomer responsible for defending the Earth against asteroids has revealed what keeps her up at night — thousands of ...