Iodine-based ion propulsion could power small satellites and help solve our space junk problem.
New research links cloud top appearance to the unusual phenomenon of lightning during a snowstorm.
How’s the weather up there? Even for exoplanets that are many light-years away, astronomers can learn about their atmospheres.
Fitting transmitters onto thousands of creatures may help scientists predict natural disasters and offer a "lifecast" of hidden environmental information.
New design is able to stabilize itself.
Using a simple film camera, astronomer Bill Livingston photographed satellites that hover above the equator.
NASA’s Juno spacecraft has detected changes in Jupiter’s magnetic field, making it the first planet known to share this feature with Earth.
The so-called Great Whirl off the coast of Somalia is larger and lasts longer than scientists thought.
Scientists explain the lime green look of spring.
Numerous bits of orbiting debris threaten spacecraft, so two teams propose tracking them with unique license plate-like transponders.
Scientists propose strategies to build a larger-than-ever space telescope by sending up the mirror piece by piece.
Chinese scientists have built two major quantum infrastructure projects, and the race is on to take the next step.