Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

Play as a space merchant selling and trading your wares across the galaxy in Stellar Trader, a new 4X space-trading sci-fi ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Does a video clip show new footage of the Comet 3I/ATLAS? No, that's not true: This video did not originate from any research ...

On tonight's episode of "9-1-1," Athena (Angela Bassett) and Hen (Aisha Hinds) finally made it back to Earth after a ...