NASA's New Horizons spacecraft is expected to fly by the object Ultima Thule at 12:33 a.m. Tuesday. Watch the event here.
By Leonard David, Scientific American
The Chang’e-4 mission could have major effects on Earthbound science and politics.
Part pioneer and part dirt collector, Osiris-Rex will spend the next year or so looking for a spot to capture pieces of the asteroid before heading back to Earth.
More than two years after it launched, a spacecraft called OSIRIS-REx is approaching its target, an asteroid named Bennu. Scientists hope that rock samples from Bennu will provide insight into the likelihood of life on other planets, as well as…
By Miles O'Brien
NASA has successfully landed its spacecraft InSight on Mars, after a long and challenging voyage. Scientists hope InSight will uncover details of what’s under the surface of Mars, including whether the planet’s core is liquid or solid. Science correspondent Miles…
The first NASA lander to explore the interior of another planet successfully landed on Mars Monday.
In our news wrap Tuesday, Cesar Sayoc, the man accused of sending pipe bombs to prominent Democrats and critics of President Trump, appeared in federal court in New York. He faces up to 48 years in prison if convicted on…
By Vicky Stein
More than a half a million pieces of trash whiz at more than 17,000 miles per hour around the planet, threatening the lives of astronauts on the International Space Station and the functionality of satellites scattered across low Earth orbit.
Trevor Paglen's sculpture "Orbital Reflector" is scheduled to launch on a SpaceX Falcon 9 rocket in mid-November, raising questions about who controls space and why.
By Vicky Stein
Candice Hansen-Koharcheck, a planetary scientist, has been photographing celestial bodies for decades. But for the Juno mission, her collaborators are citizen scientists.
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