The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.

The team's research indicates the Solar System's passage through the Orion region occurred between approximately 18.2 and 11.5 million years ago, with the most likely time between 14.8 and 12.4 ...

Find Orbiting stock video, 4K footage, and other HD footage from iStock. Get higher quality Orbiting content, for less—All of our 4K video clips are the same price as HD. Video Back Videos home ...

The NASA mission will see four satellites sent into orbit A "pioneering" Nasa mission using satellites partly developed by UK scientists is set to launch later this week. The American space agency ...

"We think this is a so-called super-Neptune world orbiting a low-mass star at a distance that would lie between the orbits of Venus and Earth if it were in our solar system," says astronomer Sean ...

2D Simulation of Solar System using pure ES 6. Orbits computed with real coefficients (AU scaled to pixels). Main belt asteroids' eccentricities generated with Rayleigh distribution. Welcome to Space ...

when NASA collaborated with the Adirondack Sky Center and Observatory to capture totality. “As I was doing that with them, as well as other solar system ambassadors that came to Tupper Lake to ...

NASA's Lucy spacecraft ... in the sense that asteroids are leftovers from the dawn of the solar system and can tell us much about Earth's origin, just as Lucy the fossil can tell us about human ...

This distant region consists of leftover planetesimals from the early Solar System. As the planets formed ... the galactic tide becomes a dominant factor. Using NASA's Pleiades supercomputer ...

Here's the Image of the Week as voted on by the public. Check out the latest raw images below, and "Like" your favorites. Come back at the beginning of the week to see the public's favorite.

Four astronauts have launched from Florida as they embark on NASA’s SpaceX Crew-10 mission ... hardware to test a "backup lunar navigation system."Video below: Spectators in Florida talk about ...