Samantha Cole
at 09:34 AM Jul 26 2016

Walking on the surface of Mars, where the gravity is one-third of Earth's, won't be easy. If you dumped a wheelbarrow of rocks into a bounce-house, then jumped in with shoeboxes tied to your feet and a fishbowl on your head, you'd be getting close to how astronauts might feel exploring the Red Planet's surface.

Ryan F. Mandelbaum
at 09:34 AM Jul 26 2016

This past April, we put out a call for your ambitious spaceship designs. The only real rules were that we wanted to see an image, and that "the ideas must meet a certain threshold of seriousness, relying on technology that is available today or seen as feasible in the next decade." Ultimately, four badass designs stood out, as selected by the staff here at Popular Science.

Samantha Cole
at 09:34 AM Jul 26 2016

After three years of searching for invisible dark matter inside a mile-deep hole in South Dakota, scientists emerged to announce that they had found nothing.

Amy Shira Teitel
at 09:30 AM Jul 19 2016
Space // 

Jerrie Cobb kicked off her black pumps and crossed her stockinged feet on the floor. It was an unusual thing to do during a public hearing before a special subcommittee of the House Committee on Science and Astronautics, but natural for Cobb. And it was a relaxed gesture that belied her stress. That July day in 1962, she was fighting tooth and nail to claim her rightful place in space alongside the Mercury astronauts.

Kate Baggaley
at 12:12 PM Jul 11 2016
Space // 

Astronomers have located water clouds around the coldest-known object outside the solar system, a brown dwarf 7.2 light-years from Earth.

Ryan F. Mandelbaum
at 12:12 PM Jul 11 2016
Space // 

Imagine a planet, like Jupiter, but four times heavier. And it's got a huge orbit, maybe twice as wide as Pluto's. Oh, and it has three suns. That planet is real, and it's only 320 light years away. Meet HD 131399Ab.

Sarah Fecht
at 12:12 PM Jul 11 2016

There are lots of ways to search for technologically advanced aliens. We can listen for them with radio telescopes. We can analyze the atmospheres of other plants to search for biosignatures, or look for their laser light shows.

 
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