Humanity has achieved incredible milestones in space exploration, from landing on the Moon to sending probes beyond our solar system—but true interstellar travel remains far beyond our reach. This ...

In 2017 Oumuamua became the first known object to enter our solar system from another star Its strange shape and speed defied explanation Now scientists are preparing Project Lyra a daring mission to ...

Rare interstellar visitor the size of Manhattan carries secrets from distant star system Controversial 'comet': An artist's rendition of Comet 3I/ATLAS as it rockets through our Solar System at 58 km ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

It's probably a comet, but it might be some sort of ancient alien spacecraft or probe. What's for sure is that the mystery surrounding an object known as 3I/ATLAS is becoming both more and ...

San Diego Community Power announced Wednesday a $55 million initiative that will offer rebates and incentives to encourage its customers to install solar-plus-battery systems in their homes. “This is ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...

This illustration shows the creation of an asteroid family. Ejected fragments from catastrophic collisions of asteroids between Mars and Jupiter tend to follow similar orbits around the sun, allowing ...

The number of confirmed planets outside of our solar system—known as exoplanets—has risen to 6,000, NASA has said. There is huge variety across these distant worlds, the space agency says, with ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...