Enjoying EarthSky? Subscribe.

274,434 subscribers and counting ...

Wall-E and Eva are going to Mars, too

Riding along with the InSight Mars mission, the 2 briefcase-sized CubeSats are designed to demonstrate nearly real-time communications between worlds.

Comet Halley’s 2 meteor showers

It’s because comets like Halley are so crumbly that we see annual meteor showers. One shower spawned by this comet is going on now. Another is visible in October.

Does Stephen Hawking’s final theory tame the multiverse?

“I have never been a fan of the multiverse. If the scale of different universes in the multiverse is large or infinite the theory can’t be tested.”

Gaia sees LMC stars as galactic fingerprint

It resembles a fingerprint, doesn’t it? But it’s really a galaxy, rotating. This image is from ESA’s Gaia space observatory. It shows the rotation of the Large Magellanic Cloud.

Watch SpaceX Dragon depart from ISS May 2

A SpaceX Dragon cargo spacecraft is set to depart the International Space Station (ISS) on Wednesday, May 2. NASA TV will provide live coverage of Dragon’s departure starting at 10 a.m. EDT (14:00 UTC).

How Pluto got its name

Eleven-year-old Venetia Burney suggested Pluto, a classical mythological god of the underworld. The name also honored Percival Lowell, whose early efforts led to Pluto’s discovery.

New Shepard has successful 8th test flight

Blue Origin’s suborbital rocket New Shepard made its 8th test flight on April 29, going up from the company’s launch site in West Texas. Watch mission highlights here.

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.

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.