Yesterday’s sun at aphelion

We reached our farthest point from the sun for 2016 yesterday at 16:24 UTC. That's 11:24 a.m. in the central U.S, 1:24 p.m. Central European Summer Time.

Earth-sized aurora on Jupiter

NASA released this image as the Juno spacecraft arrived at Jupiter.

Summer sunrise in Sea Bright, New Jersey

A peaceful place to be on a summer morning.

This week’s old moon

A waning crescent moon - seen in the east before dawn - is called an old moon.

Venus returning to evening twilight

Don't expect to see Venus with the eye yet. It'll be back by mid-July, 2016. But it's up there each evening twilight now, setting shortly behind the sun.

Known asteroids near Earth today

The first map shows all the known asteroids within one-third of Earth's distance from the sun today - Asteroid Day - June 30, 2016. Look below for a second map.

Juno on Jupiter’s doorstep

Juno spacecraft on approach to Jupiter! The craft will arrive at Jupiter on July 4, first spacecraft to orbit the giant planet since Galileo (1995-2003).

Want to go stargazing?

Where to go stargazing in Georgia, plus a word about a new feature - Best Places to Stargaze, for people around the world - just launched at EarthSky.

Mars and star cluster NGC 5897

You need a telescope to see this globular star cluster. But red Mars is easy, still very bright in our sky, up nearly all night.

Iridescent cloud over Kentucky

Iridescent clouds appear in the same direction as the sun. Rainbow-like colors appear irregularly over the clouds in the form of colored edges, spots and bands.