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This is the last complete image of Dimorphos taken by the DRACO imager on NASA's DART mission before the collision. It shows a patch of the asteroid about 100 feet across, captured from some 7 miles away and two seconds before impact. NASA/Johns Hopkins APL hide caption
Google's new animation shows a spacecraft knocking your screen off-kilter. Screenshot by NPR hide caption
This illustration shows the DART spacecraft approaching the two asteroids, Didymos and Dimorphos, with a small observing spacecraft nearby. Credit: NASA/Johns Hopkins APL/Steve Gribben hide caption
Asteroid Didymos and its moonlet Dimorphos are not a threat to Earth, but because they do pass relatively close to Earth, so they were chosen as the target for NASA's Double Asteroid Redirection Test mission. The redirect technology could one day be used to deflect asteroids on a collision course with our home planet. NASA JPL DART Navigation Team hide caption
A view of Jupiter's Great Red Spot and turbulent southern hemisphere was captured by NASA's Juno spacecraft in 2019. NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill hide caption
NASA's Artemis 1 Moon rocket sits at Launch Pad Complex 39B at Kennedy Space Center, in Cape Canaveral, Fla., on June 15. Eva Marie Uzcategui/AFP via Getty Images hide caption
NASA's James Webb Space Telescope captured out-of-this-world photos of Neptune and its rings. NASA hide caption
Illustration of the expansion of the Universe. The Cosmos began 13.7 billion years ago (left). Immediately it began expanding and cooling (stage 1). Its expansion slowed about 10 billion years ago (stage 2). We are now at stage 4. The expansion shows no signs of stopping and is in fact accelerating. The orange arrows indicate the force of gravity, which slows but does not stop the expansion. MARK GARLICK/SCIENCE PHOTO LIBRA/Getty Images/Science Photo Libra hide caption
A United States Space Force flag flies along with flags of other armed service branches. The Space Force announced on Friday that the University of Puerto Rico at Mayagüez has joined its University Partnership Program. Stephen Maturen/Getty Images hide caption
Sixty years ago, President John F. Kennedy delivered an address at Rice University to inspire Americans to support NASA's mission to the moon. In what became known as his "We Choose the Moon" speech, Kennedy promised to put an American astronaut on the moon before the end of the 1960s. Anonymous/AP hide caption
NASA's Artemis I rocket sits on launch pad 39-B after the launch was scrubbed at Kennedy Space Center on September 06, 2022 in Cape Canaveral, Florida. Joe Raedle/Getty Images hide caption
The telescopes of the SPECULOOS Southern Observatory in the Atacama Desert, Chile. The telescopes were used to confirm and characterize a new planet discovered by NASA, which led to the discovery of another nearby planet. ESO/P.Holárek hide caption
In Vesper, Raffiella Chapman plays a 13-year-old girl living in a future where biological experiments have wiped out all the earth's edible plants. Courtesy of IFC Films hide caption
NASA's Space Launch System rocket with the Orion spacecraft aboard is seen atop the mobile launcher at the Kennedy Space Center in Cape Canaveral, Fla., on Saturday before the planned launch was scrubbed due to fuel leaks. NASA/Getty Images hide caption
The Artemis 1 moon rocket at Launch Pad 39 at the Kennedy Space Center. Gregg Newton/AFP via Getty Images hide caption
This infrared image from NASA Spitzer Space Telescope shows hundreds of thousands of stars crowded into the swirling core of our spiral Milky Way galaxy. NASA/JPL-Caltech hide caption
Could the ocean contain alien technology? Astronomer Avi Loeb thinks there is a chance. Getty Images hide caption
An astronomer thinks alien tech could be on the ocean floor. Not everyone agrees
The remains of actress and singer Nichelle Nichols will be launched into deep space later this year, according to company Celestis. Mark Ralston/AFP via Getty Images hide caption
NASA's Artemis I moon rocket sits at Launch Pad Complex 39B at Kennedy Space Center in Cape Canaveral, Fla., in June. Eva Marie Uzcategui/AFP via Getty Images hide caption
Storm clouds roll in over the NASA moon rocket as it stands ready for launch on Pad 39B for the Artemis 1 mission at the Kennedy Space Center, on Saturday in Cape Canaveral, Fla. John Raoux/AP hide caption
Astronaut Charlie M. Duke Jr., lunar module pilot of the Apollo 16 lunar landing mission, is photographed collecting lunar samples during the first Apollo 16 extravehicular activity at the Descartes landing site. John W. Young/NASA hide caption