It took a week, but AQMD mobile testing from Jan. 31 in the Altadena fire area showed no elevated levels for air toxics.

YR4, the asteroid has a 2.2% chance of hitting our planet on December 22, 2032, according to the European Space Agency.

YR4 has just over a 2% chance of hitting Earth, according to NASA, but experts say there's no need to panic yet.

NASA's Jet Propulsion Laboratory (JPL) is monitoring asteroid 2025 CG, which will pass by Earth on 8 February.

HH 30, a fascinating Herbig-Haro object, serves as a cosmic laboratory for studying star formation and planetary evolution.

Scientists say the ground-breaking research, from Edinburgh's Heriot-Watt University, could be a 'step change' for security ...

NASA’s Europa Clipper spacecraft has sent back its first starry image, a significant milestone as it makes its way toward Jupiter’s moon Europa. The image, released by NASA this week, is a mosaic of a ...

Astronomers have upped the odds of an asteroid called 2024 YR4 striking Earth, albeit in 2032, but warn that it will most ...

A recently released animation shows a new look at a large asteroid that has a small, but significant, chance of impacting ...

The G-IV aircraft flies overhead in the Mojave Desert near NASA's Armstrong Flight Research Center in Edwards, California. Baseline ...