Astronomers have uncovered evidence of a potential second Kuiper Belt, expanding the boundaries of our solar system. Here's ...

Earth is about to gain a new “mini-moon,” but it won’t stay around for long.The newly discovered asteroid, named 2024 PT5, ...

The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about two months.

A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory. Credit: NASA/SDO/Helio Viewer| edited by Space.com's Steve Spaleta Music: My Hal ...

The discovery may help scientists understand when and where planets like super-Earths can form in our galaxy, and help ...

NASA's Parker Solar Probe has flown into the Sun's corona. Structures known as coronal streamers and the Milky Way can be ...

Astronomers and sky watchers have their fingers crossed that an approaching comet could put on a nighttime show on Earth next month, but it’s already strutting its stuff for those in space.

The James Webb Space Telescope and its legacy partner Hubble will hunt for a rocky exoplanet with air around a red dwarf star ...

The Jupiter Icy Moons Explorer (Juice) spacecraft, barreling through our solar system, recently used Earth's gravity to ...

For astronauts venturing out into the Solar System, it's not just the cold vacuum of space that poses a major hazard. On ...

The greenhouse effect acts like a warm blanket around Earth, comprised of gases like carbon dioxide, methane, and water vapor ...

Planetary scientists are confident this moon of Jupiter harbors a deep ocean. A looming question is whether it hosts the ...