Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

His new book makes the case for going big on solar power—and abandons climate angst for ecomodernist optimism.

Every 378 days, Saturn swings into opposition, bringing it closer, brighter, and nearly 10 times easier to observe than at ...

The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

American space agency NASA names the four people of the second Crew Health and Performance Exploration (CHAPEA) Mars simulation mission.

Though this visitor came to us with no name, we’ve given it one: Comet 31/ATLAS. Astronomers have also officially classified ...

Mars, our reddish-hued neighbor in the solar system, oh how you have captivated us earthlings, fueling an obsession at the ...

I/Atlas is estimated to be 3.5 miles wide, roughly the size of 22 football fields. It is an interstellar comet discovered by a Chilean observatory.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The 15 planet-forming disks around young stars that have been studied in detail by exoALMA. Here ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...