Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its entire globe can be glimpsed; the waxing crescent moon appearing as a thin ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

Blue Ghost, the "little lander" from Firefly Aerospace that's headed to the moon, has captured the littlest lunar eclipse ever (as well as our hearts).

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...