Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 ...

NASA’s Europa Clipper spacecraft has recorded important new observations of the interstellar comet 3I/ATLAS using its Southwest Research Institute-led Ultraviolet Spectrograph (UVS). In July, 3I/ATLAS ...

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

The liquid ocean on Jupiter’s moon Europa appears to be completely sealed off from the planet’s surface, which may reduce the ...

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

The same historic facilities that some 50 years ago prepared NASA's twin Voyager probes for their ongoing interstellar ...

Trillions of neutrinos whiz through our bodies every day, pulsing from the sun, outer space and deep beneath Earth. Yet these elusive subatomic particles have proven difficult to study. That could ...

It takes a beam of light a single day to travel 16.1 billion miles, a distance known as a light-day. It'll take Voyager 1, the American spacecraft moving at 10.6 miles per second, more than 49 years ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an object that came from beyond our solar system. By Kenneth Chang Month-old ...

Humanity's understanding of the solar system has evolved dramatically following the advent of spaceflight. Over the past seven decades, thousands of sophisticated spacecraft have been launched on ...

Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new paper finds. When you purchase through links on our site, we may earn an ...