When NASA’s DART spacecraft collided with a small asteroid moon in late 2022, the impact made history. It was the first ...

NASA has issued a startling alert about a “City Killer” asteroid that could hit the Moon by 2032. Experts warn it may disrupt ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

Though July's Buck Moon will begin to wane soon, the month's calendar of celestial events has only just begun.

In the almost three years since NASA proved that it could successfully deflect an asteroid, we’ve learned a lot about these ...

When NASA steered its Dart probe into an asteroid, it was supposed to determine how much it could be deflected. The consequences were unexpectedly severe.

NASA's DART spacecraft attempted to deflect an asteroid about the size of the Great Pyramid of Giza. New work tracking the debris has found a few fairly large surprises.

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

NASA has issued an alert regarding a massive airplane-sized asteroid, 2019 NW5, expected to pass closely by Earth today.