If cloudy skies are blocking your view or you can’t manage to roll out of bed for an early morning viewing, we’ve got you covered. Watch the first super blue blood moon to appear over the U.S. in more than…
Scientists worry that the extreme weather events seen in 2017 will only get worse as the planet heats up.
By Michael D. Regan
Young was a vanguard of NASA's space program in a career that spanned more than four decades during which he walked on the moon, commanded the first space shuttle flight and became the only astronaut to enter space as part…
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…
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