A year in space isn’t for the faint of heart. Retired NASA astronaut Scott Kelly, author of a new book, “Endurance,” sits down with science correspondent Miles O’Brien to discuss the physical effects of a long space mission and what…
When astronaut Scott Kelly returned to Earth after a year floating about the International Space Station, he was noticeably different from his identical twin, Mark Kelly.
NASA’s OSIRIS-REx probe offers a new vantage of Earth on its way to the asteroid Bennu.
After 20 years and 5 billion miles traveled, NASA’s Cassini spacecraft will plummet Friday into Saturn, but you can keep the mission alive with these NewsHour-crafted backgrounds for your computers and smartphones.
By PBS NewsHour
Some 800 million miles away, NASA’s Cassini spacecraft has orbited Saturn and captured images of its rings and icy moons. After nearly 5 billion miles traveled and 20 years of sending revealing data from the gas giant, Cassini is winding…
By Fedor Kossakovski
The death of NASA's Cassini spacecraft is a matter of life or… well…life.
By Lee Billings, Scientific American
New results suggest free-floating giant planets are less common than previously believed, but hint at vast numbers of smaller castaway worlds…
By Nsikan Akpan
Less than 48 hours ago, NASA's Juno spacecraft got its first up-close-and-personal view with Jupiter's Great Red Spot, and today, the space agency has released photos from the flyby.
By Larisa Epatko
On Monday, NASA’s Juno spacecraft will fly over Jupiter’s most distinguishable and intriguing feature, its swirling Great Red Spot.
By Nsikan Akpan
NASA wants to send a probe directly into our sun's atmosphere.
Support Provided By: Learn more
Educate your inbox
Subscribe to Here’s the Deal, our politics newsletter for analysis you won’t find anywhere else.