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.

NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA app on a mobile device. Credit: NASA/JPL-Caltech ...

John Casani, who has died aged 92, was an American spaceflight engineer who led the teams that pioneered Nasa’s explorations ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

Along with launching two NASA probes, the SpaceX Falcon 9 rocket carried five other satellites into orbit with goals ranging from basic science to technology development.

NASA's Pleiades supercomputer has provided fresh insights into the Oort cloud – a vast, theoretical spherical shell of icy objects that surrounds our solar system. For a long time, the Oort ...

NASA’s Cassini mission carried an instrument, designed to study particles trapped in Saturn’s magnetic field, that also made observations of particles bouncing back towards the inner solar system.

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

HAMPTON, Va. (WAVY) — Later this week, NASA will be launching the Europa Clipper spacecraft on a mission that’s going far in our solar system to study one of Jupiter’s moons to learn more ...

Ultimately, the two wanted to test their new model in preparation for NASA’s Parker Solar Probe, which is currently flying a highly elliptic orbit around the Sun, swinging closer and closer to ...