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

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

Astrophotographer David Joyce, based in Kentucky, offers us a spectacular window into the cosmic remains of a giant star that ...

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

Astronomers have recently unveiled a remarkable discovery: an interstellar tunnel that links our solar system to distant ...

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

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

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

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

Asteroids, comets, and clouds contain complex organic molecules that form in space and might have kickstarted life on Earth ...

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

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