Auroras are possible over the U.S. tonight (March 25) as a "moderate" geomagnetic storm hits Earth. The Northern Lights could ...

We know that regular supernovas pose no existential threat to life on Earth in the near-term. But there are other varieties ...

often accompanied by a solar flare of X-rays. If these CMEs hit the Earth, they can trigger geomagnetic storms in our ...

The potential risk of Asteroid 2024 YR4 impacting Earth in 2032 dropped to nearly zero ... a better understanding of its path around the sun. Following its initial discovery, continued ...

The Vernal Equinox happens Thursday, March 20. This signals the time when the Northern Hemisphere will begin seeing more ...

Large telescopes around the world continue to track Asteroid 2024 YR4 before it fades out of view this spring, and the odds of the newly discovered asteroid hitting Earth just went up.

When astronomers discovered asteroid 2024 YR4 late last year, not much was mentioned about the probability of it colliding with Earth ... s movements around the sun. The measurements are then ...

When YR4 was first discovered in December 2024, the probability of it hitting Earth was calculated ... Though YR4 is currently behind the Sun and out of view of most Earth-based telescopes ...