A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are ...

Skywatchers can spot Venus, Saturn, Jupiter and Mars in the night sky with the naked eye, but two other planets might need a telescope to be seen.

NASA's NIAC program is investing in visionary ideas that could revolutionize space exploration. From fusion-powered ...

NASA Voyager 1 probe discovers Saturn’s moon, Epimetheus. Saturn would be the last planet Voyager 1 would visit before ...

For a few brief evenings around February 28, every planet in our solar system will be visible at once, with Mercury making a ...

FOUR planets are visible in the night sky. You will have to battle January clouds, but here is how to find them.

Stargazers will be treated to a dazzling six-planet "alignment" this January.

The best viewing for January's planetary parade is about 90 minutes after sunset, in as dark and clear a spot as you can find ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...

In case anyone missed the January planetary alignment, two more are expected to be seen in the night sky in February, with ...

Stargazers who haven't had a chance to check out this month's planet parade will want to look up soon because there's ...

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see without a telescope or binoculars — and ...