HOUSTON — NASA has introduced its new class of astronaut candidates, some of whom may be among the first people to set foot ...

It has been suggested that lava tubes - underground tunnels carved out by molten rock - might be on Venus, and now we have ...

Happy autumnal equinox! Now, you can finally say fall is here — yesterday was still summer. Today, the sun enters Libra, the ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

Romantic Venus moves into Libra on October 13, intoxicating our hearts and allowing relationships to feel like they're moving ...

President Trump’s proposed NASA budget looks to drop 41 science missions including 19 that are operational in space. The new ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

From cooler temps to fall foliage, there's plenty to be excited about for the start of fall — but what does the autumnal equinox actually mean?

We’ve been many months without a bright planet in the night sky, but that’s all about to change! On the night of Sunday, Sept. 21, the ringed planet ...

A partial solar eclipse happens Sunday in parts of the Southern Hemisphere. Saturn will also appear at its brightest, with ...

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...