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In a technological tour de force, scientists have developed a new way to probe antimatter.

For the first time, researchers were able to zap antimatter atoms with a laser, then precisely measure the light let off by these strange anti-atoms. By comparing the light from anti-atoms with the light from regular atoms, they hope to answer one of the big mysteries of our universe: Why, in the early universe, did antimatter lose out to regular old matter?

A cable that's as long as six football fields has been launched into orbit — and when it's deployed, it'll test an idea to knock out orbital debris. Japan's space agency sent the electrodynamic tether into space along with supplies for the International Space Station.

Updated 5 p.m. ET

The first American to orbit the Earth has died. John Glenn was the last surviving member of the original Mercury astronauts. He would later have a long political career as a U.S. senator, but that didn't stop his pioneering ways.

Glenn made history a second time in 1998, when he flew aboard the shuttle Discovery to become the oldest person to fly in space.

Glenn was 95 when he died; he had been hospitalized in an Ohio State University medical center in Columbus since last week.

NASA is looking for some help making the solar system's most portable port-a-potty.

So if you think you know the best way to poop in a spacesuit, the agency is ready to hear it ... and you might make $30,000 for your trouble.

The next generation of great space telescopes is heading into its final round of ground tests. The nearly $9 billion James Webb Space Telescope will replace the aging Hubble Space Telescope. It's designed to provide unprecedented images of the earliest stars and galaxies that formed in the universe.

But before the telescope can get to work, there are still a lot of engineering challenges to overcome.

Courtesy of NASA

Kim Malcolm talks with GeekWire aerospace and science editor Alan Boyle about the potential impact of President Elect Donald Trump on Washington state's commercial space industry.

Many Oregon motels are sold out and reservable campsites are going fast for an event that doesn't happen until the second half of next year. If you don't want to miss a total solar eclipse, mark August 21, 2017 on your calendar.

Three space travelers landed safely back on Earth late Saturday night.

The journey began in the evening, 5:12 p.m., ET to be exact, when the hatch to the International Space Station closed, and Kate Rubins, Anatoly Ivanishin and Takuya Onishi climbed into the cramped Russian-made Soyuz spacecraft that would bring them home.

The Schiaparelli Mars lander got very close to the red planet before something went wrong. It entered the planet's atmosphere, managed not to burn up as it hurtled down and unfurled its parachute. It's unclear what happened in the final minute of descent, but it wasn't what the European and Russian space agencies had planned.

For years, President Obama has been saying the U.S. must send humans to Mars. Permanently.

There was the 2010 speech when he said, "By the mid-2030s, I believe we can send humans to orbit Mars and return them safely to Earth. And a landing on Mars will follow. And I expect to be around to see it."

Scientists in Michigan have found a new dwarf planet in our solar system.

It's about 330 miles across and some 8.5 billion miles from the sun. It takes 1,100 years to complete one orbit.

But one of the most interesting things about the new object, known for the time being as 2014 UZ224, is the way astronomers found it.

Billionaire tech entrepreneur Elon Musk says his space transport company, SpaceX, will build a rocket system capable of bringing people to Mars and supporting a permanent city on the red planet.

"It's something we can do in our lifetimes," he said in a speech at the International Astronautical Congress in Guadalajara, Mexico that was streamed online and watched by more than 100,000 people. "You could go."

Updated at 7:20 p.m. ET.

A rocket took off Thursday evening from Cape Canaveral, Fla., as part of a mission by NASA and the University of Arizona to send a robot to an asteroid. The goal: Bring back ancient dust.

Solar eclipse seen from in Yokohama in 2012.
Flickr Photo/J Lippold (CC BY NC 2.0)/https://flic.kr/p/c2xvgh

Bill Radke talks with Geekwire's Alan Boyle about  North American eclipse of the sun expected August 2017. It's first of its kind in almost a hundred years. But the best places to see it in the Northwest are already getting pretty crowded. 

They aren't saying it's alien, but they are saying it's "interesting."

The SETI Institute — the private organization that looks for signals of extraterrestrial life — has announced that it is investigating reports of an unusual radio signal picked up by Russian astronomers.

The signal was detected on a much wider bandwidth than the SETI Institute uses in its searches, and the strength of the received signal was "weak," SETI Institute astronomer Seth Shostak wrote in a blog post.

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