Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...

An experimental NASA solar sail can be seen in the night sky as it orbits the Earth. NASA's Advanced Composite Solar Sail System (ACS3) launched in April 2024 atop a Rocket Lab Electron rocket.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

More than four months after launching to space, a solar-sailing spacecraft has successfully spread its wings above our planet. NASA's Advanced Composite Solar Sail System (ACS3) caught a ride to ...

An artist’s concept of NASA’s Advanced Composite Solar Sail System spacecraft in Earth orbit. NASA / Aero Animation / Ben Schweighart Earlier this year, NASA loaded a microwave-sized device ...

The Advanced Composite Solar Sail System is now fully deployed after NASA succeeded in extending the mission’s experimental booms on Thursday at 1:33 p.m. ET, the space agency announced.

Just a few weeks ago, NASA hoisted sail on a new test craft, a satellite called the Advanced Composite Solar Sail System . It has a square sail 9 meters wide that allows it to adjust its orbital path.

NASA's Advanced Composite Solar Sail System (ACS3) can be seen with the naked eye as it orbits Earth, and can be tracked with a helpful app.

An experimental NASA solar sail can be seen in the night sky as it orbits the Earth. NASA's Advanced Composite Solar Sail System (ACS3) launched in April 2024 atop a Rocket Lab Electron rocket ...