Caltech researchers have identified geological features on Mars that could point to the existence of a long-dried ocean that ...

The Earth and the Moon may look very different today, but they formed under similar conditions in space. In fact, a dominant hypothesis says that the early Earth was hit by a Mars-sized object, and it ...

WASHINGTON — NASA’s planetary science program, while spared steep cuts proposed last year, is still facing a funding shortfall that requires “strategic choices” about which missions to continue.

A rare celestial event will be taking place in the sky above California on Saturday night, as six planets are expected to be visible in what is being called a "planetary parade." Look towards the ...

A rare celestial occasion will light up the Saturday evening skyline across California and the rest of the nation, featuring a bright six-planet parade in a special planetary alignment visible to ...

A rare celestial occasion will light up the Saturday evening skyline, featuring a bright six-planet parade in a special planetary alignment visible to stargazers. Mercury, Venus, Neptune, Saturn, ...

Six planets are coming together in the sky in what's known as a planetary parade, and you might be able to spot them on Saturday night. Mercury, Venus, Jupiter and Saturn will be visible to the naked ...

An astronomical event dubbed as the planet parade or planetary alignment, which is when—in this case, four—planets are visible to the naked eye on the evening sky (Mars on left, Jupiter in the middle, ...

Ready to trade that shovel for a telescope? There's something headed to the Garden State this weekend and no — it's not snow! The first celestial event of the year is on the horizon and this time it's ...

Add Yahoo as a preferred source to see more of our stories on Google. Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will will appear to line up on the horizon shortly after sunset on Saturday, ...