Video takes you to Pluto’s surface

New video released on 1-year anniversary of New Horizons' visit to Pluto. It lets you ride aboard a Pluto spacecraft and then plunge toward its surface!

Wow! Another 104 confirmed exoplanets

That's from 197 new exoplanet candidates. In its extended (K2) mission, the Kepler space telescope has been looking toward cool, small, red dwarf-type stars.

Why galaxies stop making stars

Nature and nurture in the evolution of galaxies, and what those factors mean with respect to whether galaxies continue forming stars, or not.

Watch Mercury and Venus set

What are the odds? Peter Lowenstein caught Venus and Mercury on the evening of their conjunction - July 16, 2016 - setting through a thin break in the clouds.

Gamma ray bursts and pencil-thin jets

Stellar mergers that cause gamma ray bursts might make pencil-thin jets. If true, since most jets won't be pointed our way, we'll see no sign of most mergers.

1.2 million galaxies in 3D

A new map of the universe - based on observations of 1.2 million galaxies - confirms cosmologists' theories about the web of galaxies making up our universe as a whole.

Moon photobombs Earth

In early July, a satellite camera caught the moon crossing the face of Earth.

Keeping Earth safe from asteroids

How NASA is working to keep Earth safe from asteroids and other hazards that come from deep space.

Juno’s 1st in-orbit view of Jupiter

Color view from JunoCam, showing the planet, the Red Spot and several moons. Plus ... calling all astrophotographers to participate in the mission!

Deepest-yet look into Orion Nebula

Peering deeper into the Orion Nebula than ever before, astronomers have found a plethora of low-mass objects, some isolated "planets" and some brown dwarfs.

Matching Donation Campaign

Exciting news! EarthSky received a $50,000 gift, with a request that it be used to collect matching funds. Please help us meet this match by donating to EarthSky today!

Would you consider

donating?

If you've already donated, we apologize for the popup and greatly appreciate your support.