Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

A tiny black hole may pass through our solar system once every ten or so years, researchers have suggested, and this could be detected by watching Mars wobble. This estimate is based on an idea ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

ESS2.C: The Roles of Water in Earth’s Surface Processes Water is found in the ocean, rivers, lakes, and ponds. Water exists as solid ice and in liquid form. ESS2.A: Earth Materials and Systems (3-5) ...

Astronomers have spotted a planetary system being conceived from the swirl of gas and dust surrounding a star — giving us an unprecedented, real-time look at how our solar system would’ve formed some ...

From the Moon to Mars, Jupiter, and Neptune, this video explores how long it truly takes to travel across our solar system using real distances, light speed comparisons, and past space missions to ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of the solar system as we thought. When you purchase through links on our site, ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

"These images are not just pretty." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It was 4 a.m. on Nov. 25 at the top of Hawaii's dormant ...