In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

Continuing the Artemis program and using its planned lunar space station as a staging post would be a more energy efficient ...

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.

In February, six planets will align in the night sky — Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars — and be mostly visible to the naked eye. We find out how to see and more about this ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

This is the last chance to catch the pair in conjunction this year—with Venus set to be unusually bright in the night sky.

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Sometimes, the best innovative ideas come from synthesizing two previous ones. We've reported before on the idea of having a ...