The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

However, not all of those celestial bodies survived, and a new analysis of a the meteorite NWA 15915 shows that it likely originated from a world that was similar to Mercury in its composition—but not ...

Venus will pass between the Earth and sun during what’s called an inferior conjunction. But don’t plan on seeing the linkup.

That event was unique in that it was the first total lunar eclipse to be observed by the Blue Ghost spacecraft on the Moon's ...

Then in 1969, the Apollo 12 astronauts returning from the moon experienced a solar eclipse as they passed through Earth's shadow and the planet blocked the sun from their spacecraft. From their ...

The eclipse is set to take place on the night of Thursday, March 13, into the early hours of Friday, March 14.

This is when a so-called “blood moon” lunar eclipse plays out, visible in North and South America, parts of Africa, the ...

Skywatchers snapped photos of the "blood moon" hovering above North and South America last night. Here's a gallery of images ...

A partial eclipse should be evident at 1:09 a.m. Friday, when “it looks like a bite is being taken out” of the moon, they ...

As the cosmic lineup unfolded, our blue planet appeared dark, surrounded by a ring of light as it blocked the sun above the moon's horizon. That phenomenon is best known as a total solar eclipse, ...