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

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 ...

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

Scientists have found an asteroid that might smash into the Earth in December 2032. That's less than eight short years away, ...

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 ...

Extraterrestrial landers sent to gather samples from the surface of distant moons and planets have limited time and battery ...

Astronomers mistook a car SpaceX blasted into space years ago as an asteroid. The brief mix-up highlights the sometimes ...