Solar minimum is coming

Low ebb in the 11-year sunspot cycle expected 2019-2020. Want some basic information about the sunspot cycle and its effects? Watch this NASA ScienceCast.

How do planets form after star death?

Supernova explosions destroy pre-existing planets. Yet astronomers observe planets orbiting tiny, dense, essentially dead neutron stars left behind by supernovae. How do the planets get there?

Do you have what it takes to live on Mars?

If it's your dream to travel to the Red Planet, check out this video for some things you might want to consider.

Juno to buzz Jupiter’s Great Red Spot

On July 10, we'll get humanity's first up-close and personal view of the spot -- a storm monitored since 1830 and possibly existing for more than 350 years.

Mystery of the moon’s tilted orbit

Had things gone differently in the early days of the inner solar system, the magnificent spectacle of a total solar eclipse might be a monthly event.

Top 10 things to know about asteroids

For example, if all known asteroids were rolled into a ball, they'd still be smaller than Earth’s moon ... except for 1 big one.

Why do quasars twinkle?

Is it just a coincidence that some twinkling quasars are close on the sky's dome to hot, bright stars? New research suggests a connection and an explanation for a 30-year-old mystery.

Asgardia’s 1st satellite due to launch

Asgardia's 1st satellite - Asgardia-1 - will launch aboard a NASA mission to ISS later this summer. "Asgardians" are invited to send their personal data - a photo or a file of their choosing – to space with it.

Expect colorful clouds from rocket launch

NASA sounding rocket to form blue-green and red clouds in space Thursday morning. Launch window opens 4:25 a.m. EDT (8:25 UTC). Backup launch day is June 30.

Kepler finds 10 Earth-like exoplanets

NASA’s Kepler space telescope has identified 219 new exoplanet candidates, 10 of which are near-Earth size and in the habitable zone of their star.

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!

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