The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

“Look!” Elliette whispered. “See that bright yellow one up there? That’s Saturn. At this time of year, the path of its orbit means it sets before midnight. If we watch long enough, we’ll see it ...

A building-sized asteroid found in 2024 has a small chance of hitting Earth in 2032. For the first time ever, a planetary ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

YR4, which was recently spotted in the cosmos with a non-zero chance of hitting Earth in the coming years, may have caused ...

The vehicle, a red sports car belonging to Tesla and SpaceX founder Elon Musk, was launched into orbit in 2018. It was sent into space aboard SpaceX’s Falcon Heavy rocket, CNN reported, which was ...

Expect to pay $120 a month for fixed home internet service, plus $349, give or take a hundred bucks, for the equipment needed ...

The wannabe asteroid, announced on Jan. 2 as 2018 CN41, is actually a Tesla Roadster launched into space years ago by SpaceX ...

Their invention, the pineal gland simulator and regulator — or “Pinacal” — simulates the effects of sunset and sunrise in order to stimulate hormones, which in turn causes astronauts to experience a ...

In February, the Book Review Book Club will read and discuss “Orbital,” a Booker Prize-winning novel following six people living and working on a space station above Earth.

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive interview Tuesday.

Have you ever wondered why the planets in our solar system align along a flat plane? Discover the science behind this cosmic arrangement, from the formation of the protoplanetary disk to the forces ...