Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

Earth's Dynamic Magnetic Fortress Our magnetosphere plays the role of gatekeeper, repelling unwanted energy that's harmful to ...

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

Just a few weeks ago, we crossed the significant milestone of 6,000 known exoplanets. The counter keeps getting higher, and there are 8,000 more candidates waiting for confirmation. In the decades ...

Astronomers have discovered the smallest known dark object, detected only through its gravitational pull, revealing new clues ...

Even astronomers who study peculiar outer space objects have their favorites. Here are some interstellar bodies that have won ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

In two decades, the app has grown from a user-generated circus into the most powerful platform on earth. CEO Neal Mohan on ...

Radon is a colorless, odorless, radioactive gas that seeps from the ground as uranium decays in rocks and soil. Outdoors, it ...

With "Halo" now on its way to Netflix, fans may want to know what other epic sci-fi shows are on the streamer. Here's the ...

A 230-million-year-old fossil found in Argentina shows that the evolution of sauropod dinosaurs’ long necks began earlier ...