A public-private partnership led by a company called Technical Solutions Management aims to start generating usable amounts of plutonium-238 — the material that powers deep-space explorers such as NASA's Curiosity Mars rover — by 2022 or so.
President Donald Trump used his weekly address Saturday (March 25) to praise NASA's legacy of exploration and discovery in a video that also marked Trump's signing of the 2017 NASA authorization bill earlier in the week.
Since first mentioned in 1783, black holes have captured the imagination of scientists, writers, filmmakers and other artists. Perhaps part of the allure is that these enigmatic objects have never actually been "seen."
The solar system is shrunk down to the size of the continental United States in a new online movie hosted by retired astronaut Chris Hadfield. Joined by a few traveling companions, Hadfield makes his way from coast to coast, and planet to planet.
It is almost six months since the Rosetta spacecraft completed its operations at comet 67P/Churyumov-Gerasimanko. The landing may have marked the end of data collection from the comet – but not the end of news about 67P.