Take a virtual tour of 6 exoplanets

The virtual exoplanet tour has a cool 360-degree visual display. Since launching in late 2017, it's had over a million YouTube views. Check it out here.

Unseen siblings for Milky Way’s supermassive black hole?

Our Milky Way galaxy is known to have a supermassive black hole at its heart. Could more supermassive black holes be lurking unseen at our galaxy's outskirts?

Gaia’s 2nd data release: 1.7 billion stars!

Why did ESA's director of science say Gaia's observations are "redefining the foundations" of astronomy? Also, links to virtual reality resources made possible by Gaia, available for you to explore.

Watch thousands of asteroids orbiting our sun

Both NASA and ESA space missions have just released new videos plotting the orbits of tens of thousands of asteroids (and comets) orbiting our sun.

How TESS will hunt for alien worlds

Launched last week, TESS will scan 200,000 close and bright stars, seeking new planets and possibly livable worlds. Here's a roundtable discussion with 2 scientists on the TESS mission.

New study suggests violent origin for Mars’ moons

It was thought Mars' 2 small moons - Phobos and Deimos - might be captured asteroids. But new work suggests a violent birth for the moons during a colossal impact.

TESS planet hunter on its way

"It’s the beginning of a new era of exoplanet research."

Exoplanets: Worlds orbiting distant stars

Humans have been speculating about their existence for thousands of years, but ours is the 1st generation to know, with certainty, that exoplanets are really out there.

See it! Moon sweeps past Venus

Wonderful photos from the EarthSky community of the moon's sweep this week past the brightest planet, Venus.

Green moon on April 20, 2018? Nah

For weeks, people have searched for this post more than any other at EarthSky. No, there won't be a green moon on April 20, 2018. It's a joke, y'all, with its roots (ahem) in cannabis culture. :-)