Saturn’s moon may have tipped over

Scientists used Cassini spacecraft images to show that Saturn's moon Enceladus may have tipped away from its original spin axis by 55 degrees - more than halfway toward rolling completely onto its side.

Last night’s moon and Jupiter

The EarthSky community comes through again! Wonderful photos of the moon and Jupiter on June 3, 2017, from around the world.

Moon, Jupiter, Spica on June 4

Spica - Virgo's brightest star - will appear faint in the moon's glare this evening. Jupiter will be blazing brightly nearby.

Find the Little Dipper

The Big Dipper is easy to find. But the Little Dipper isn't. How to find the Little Dipper using the Big Dipper as a guide.

Cool preview of Pluto craft’s next target

On June 3, July 10 and July 17, astronomers will be watching as tiny MU69 in the outer solar system - the New Horizons spacecraft's next target - occults or blocks the light from 3 different stars.

Close conjunction of Venus and Uranus

Planet Venus passed 1.8 degrees south of planet Uranus on June 2, 2017, and Eliot Herman in Tucson captured their close conjunction.

Your immune system in space

New video from NASA about studies looking at the effects of space travel on the human body's immune system.

Moon and Jupiter on June 3

They're the 2 brightest objects in the evening sky - the moon and Jupiter - close together Saturday night!

LIGO’s 3rd gravitational wave detection

Albert Einstein hypothesized these ripples in the fabric of space-time a century ago. Now scientists have detected them for the 3rd time, from distant black hole collisions.

This weekend a great time to see Venus

Venus will be 46 degrees west of the sun on Saturday morning, June 3, 2017. That's about as far from the sun on our sky's dome as it can be.