April 19, 2014 4:49 PM EDT

Storms threaten SpaceX launch to ISS
SpaceX returned to the launch pad Friday in hopes of finally delivering supplies to the International...
Report: US facing increased threats to its space interests
The United States faces increased threats to its space program as adversaries develop measures to combat...
NASA's moon-orbiting robot crashes down as planned
NASA's robotic moon explorer, LADEE, is no more. Flight controllers confirmed Friday that the orbiting...
After 13 years of waiting, big news in world's longest experiment
In what is surely one of the most gripping experiments currently underway, scientists in Australia have...
Ancient puppy paw prints found on Roman tiles
The paw prints and hoof prints of a few meddlesome animals have been preserved for posterity on ancient...
More Latest Headlines
More Science Slideshows
Israeli archaeologists uncover 3,300-year-old coffin, gold signet
Ancient Egyptian mummy found with brain, no heart
More on Archaeology
T. rex skeleton gets new home in Smithsonian dinosaur hall
Scientists unveil 'chicken from hell' dinosaur
More on Dinosaurs
World must act quickly to reverse buildup of heat-trapping gases, UN climate change panel says
Baby volcanic island eats its older neighbor
More on Planet Earth
Northern California bat population declining amid drought conditions
Modern sharks are sleeker, faster than their ancestors, fossil find suggests
More on Wild Nature
Astronomers discover most 'habitable,' Earth-like planet yet
SpaceX will try again Friday to launch cargo to ISS
More on Air & space
Ancient puppy paw prints found on Roman tiles
Ancient wrestling was fake too: Document shows match was fixed
More on Natural Science