The circumgalactic medium, a vast gaseous halo surrounding galaxies, could be crucial to the evolution of star-forming ...

These storms are measured by something called the Disturbance Storm Time index, a negative measurement of the strength of ...

Here’s something that you’ll kick yourself if you miss – a comet that only grazes the Earth every 160,000 years will be ...

There's a significant imbalance between matter and antimatter in our universe, but a strange particle called "the Majoran" ...

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from view.

We haven’t seen the Red Planet this luminous in the night sky since 2022. Our astrotourism expert shares how and when to enjoy the show.

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

In the Northern Hemisphere, we’re in the dead of winter and most people are spending their evenings inside where it’s warm.

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...