More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

That’s quite a big gap, as it turns out. It covers fields from gigantic bodies like the Sun and Earth, as well as those ...

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

A scientific discovery that could transform the study of warp drive is now under wraps at the U.S. Defense Advanced Research ...

Non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields.

This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and more.

The lander, Blue Ghost, fired its engines for four minutes Thursday to propel the spacecraft into lunar orbit ahead of a ...

Over time, changes to this innermost layer could impact the planet’s magnetic field, which shields our ... may be coming home a bit sooner than planned. NASA is aiming to put the duo on a ...

The Valentine's Day northern lights will largely be visible in Canada and Alaska, but a few northern-most states may see the ...

This Valentine's Day, stargazers in some parts of the United States will have the opportunity to experience the surreal views ...