Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

What's happening in the skies over North Texas this month? April holds some spectacular sights in the night sky. Check out ...

April marks the last time to see Jupiter at its best before its observing window closes. On Tuesday evening (April 1), ...

After sunset on April 2, look for the crescent moon and Jupiter in the western sky. The duo will appear within a palm’s width ...

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

Enjoy observing planets in the morning and evening sky, look for Lyrid meteors, and hunt for the “faint fuzzy” wonder that is the distant and ancient city of stars known as globular ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

Plus: A solar eclipse and an occultation of the Pleiades as our satellite skims through several constellations in the sky ...

For that event, you had to get up before sunrise, because all of the planets were visible at dawn. So 4.5 years had elapsed between the last "great alignment" and the one that just occurred.

Future missions to Venus could also supply additional data on the density and temperature of the planet's crust, which could ...

Astronomers used ALMA to observe Proxima Centauri and found frequent, intense flares that could destroy atmospheres of nearby ...