Rachel Feltman
at 10:50 AM Apr 28 2017
Space // 

NASA's 20-year Cassini mission is finally coming to a close. After years of orbiting around the Saturn system and collecting some stellar scientific data, the spacecraft is on a path of certain destruction: on Sunday, the probe officially began the last leg of its mission, which will eventually bring it so close to Saturn that the planet's gravity will drag it down and burn it to vapour.

Sarah Fecht
at 10:19 AM Apr 26 2017

Today, during a phone call with astronaut Peggy Whitson on the International Space Station, President Trump joked that he hoped NASA would land astronauts on Mars by the end of his first term in 2020.

Sarah Fecht
at 11:54 AM Apr 24 2017
Space // 

After 20 years, thousands of gorgeous photos, and a whole lot of science, the Cassini spacecraft is finally ready to retire. But there'll be no relaxing days on the beach for this old spacecraft; instead, it will go out in a blaze of glory. More specifically, NASA's planning to crash it into Saturn's atmosphere, where it will melt and vaporize.

Jeffrey Lin and P.W. Singer
at 11:54 AM Apr 24 2017

At 7:41 p.m. local time, the Tianzhou 1 robotic cargo ship blasted off on a Long March 7 rocket from the Wenchang Space Launch Center on Hainan Island. Now in orbit, it will soon rendezvous with the Tiangong 2 space station, in yet another first for the Chinese space program.

Sarah Fecht
at 11:54 AM Apr 24 2017

Although the night sky often seems so peaceful and still, a closer look reveals constant movement and change. The Intermediate Palomar Transient Factory (iPTF) in California looks for ephemeral phenomena in the heavens, like stars that fluctuate in brightness, or planets passing in front of their stars.

Kendra Pierre-Louis
at 12:22 PM Apr 13 2017

If space travel were gymnastics, we'd say that Expedition 50—which returned early Monday morning from the International Space Station (ISS), stuck the landing. 

Sarah Fecht
at 11:22 AM Apr 7 2017

A supermassive black hole lurks at the center of our galaxy, but we've never seen it. We know it's there, and that it has the mass of about 4 million suns, and that the stars in our galaxy revolve around it. But no one could tell you exactly what it looks like.

 
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