LAUREL, MD. — NASA began an early feasibility study for missions to the distant, mostly ignored ice-giants Uranus and Neptune, a senior agency official said here Aug. 24. “I’ve asked [the Jet ...

While a pair of NASA rovers explore Mars and the Cassini-Huygens mission peers close at Saturn, two research teams are targeting a more distant planetary quarry, the ice giant Neptune. In separate ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A new decade is just over a year away, and with it comes a whole new ...

In 30 years, a nuclear-powered space exploration mission to Neptune and its moons may begin to reveal some of our solar system's most elusive secrets about the formation of its planets -- and recently ...

It’s been 30 years since Nasa last visited Venus, with the Magellan orbiter in 1990. Now, two new missions have been selected to explore the deadly atmosphere, crushing pressures and volcanic ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of How to Die in Space. He contributed this article to ...

We hear a lot about Mars, Jupiter, and Saturn, and that’s because we have extremely fancy hardware floating around and, in some cases, cruising on the surface of those planets. The planets that lie ...