An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

Uranus and Neptune will also be on the scene, too dim to see with the naked eye.

6 planets will align in a 'planet parade' Saturday, Feb. 28, 2026, shortly after sunset. Here's which planets you might see and how to best view them.

With an estimated 6 sextillion kilograms of the stuff—that’s 21 zeroes by the way—the Earth’s core is another example of why hydrogen is the most abundant element in the universe.

If you're the kind who loves a nice sci-fi thriller that leaves you thinking at the end of it, here are the best sci-fi movie ...

We're all living in the future -- especially in these films that set their eyes on 2026 as the destination for their sci-fi plots.

Mark your calendars for the last week of February, because one of the coolest celestial events is coming up where six planets will be visible in the night sky at the same time. This phenomenon, known ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.

Obama thinks extraterrestrials exist and he’s not the only former president to think so... here’s what the scientists believe ...