And it won’t happen again until 2033, when they’ll get even chummier. The closest in the past 1,000 years was in 1761, when Mars and Jupiter appeared to the naked eye as a single bright object, ...

The Kieffer model, the researchers concluded, was an accurate representation of the processes that produce, not just the ...

NASA is on the brink of launching its most ambitious planetary mission yet — the Europa Clipper. The spacecraft will head to ...

Early risers on Tuesday will be able to see the Moon next to two bright planets.

Studies of gravity variations at Mars have revealed dense, large-scale structures hidden beneath the sediment layers of a ...

By Deane Morrison During, Mars and Jupiter continue to go their separate ways, widening the gap between them from 9 to 23 degrees. Both planets are surrounded by bright stars usually seen on winter ...

NASA on Monday approved next month's launch to Jupiter's moon Europa after reviewing the spacecraft's ability to withstand ...