They may look like they’re arranged in tight formation. But remember, that’s a grand illusion. The planets’ orbits around the ...

Planetary alignments and conjunctions are fairly common, but a six-planet alignment is a bit more rare. It doesn't happen every year. You can see one this month.

The moon performed a cosmic ballet with Mars this week.

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot from a procession of robotic spacecraft attempting to land on the moon . How ...

It’s a term used by astronomers to describe when Earth, Mars and the Sun align. When this happens, Earth sits directly ...

A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's ...

Pettit is now in the midst of his third stint on the International Space Station, and the decade he had to prepare for his ...

One of the many advantages of being in space is having a front-row seat to the most anticipated cosmic events.

Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see Venus, Saturn and Jupiter in the night sky.

January's full Wolf Moon will come between us and Mars. You can see the disappearance and the return.

For example, Jupiter is the most massive planet in our solar system. It’s so big, it could swallow 1,000 Earths. So it ...