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Editors of EarthSky

Nishinoshima volcano belches ash and lava

A young volcanic island in the western Pacific Ocean has been going through a vigorous growth spurt since mid-June 2020.

Curiosity Mars rover’s summer road trip has begun

After more than a year in a clay-rich region, Curiosity is making a mile-long journey around some deep sand so that it can explore higher up Mount Sharp.

10 years of the sun in 1 hour

A new timelapse from NASA’s SDO Observatory condenses an entire solar cycle into 1 hour.

How much oxygen comes from the ocean?

At least half of Earth’s oxygen comes from the ocean.

Wowzer! Pluto spacecraft sees parallax for Proxima

New images from the fringes of our solar system. The fast-moving New Horizons spacecraft sees a parallax shift - a different apparent position against the background stars - for Proxima Centauri.

Black holes are like a hologram

The theory of relativity describes black holes as being spherical, smooth and simple. Quantum theory describes them as being extremely complex and full of information. New research now proposes a surprising solution to this apparent duality.

Did galactic crash trigger solar system formation?

The formation of the sun, the solar system and the subsequent emergence of life on Earth may be a consequence of a collision between our galaxy - the Milky Way - and a smaller galaxy called Sagittarius.

SpaceX Crew Dragon is docked with ISS

History was made again Sunday, with the successful docking of SpaceX Crew Dragon with the International Space Station. Astronauts Bob Behnken and Doug Hurley are aboard. There are more activities to come, which you can watch online. Links here.

AIM spots season’s 1st Arctic noctilucent clouds

NASA’s AIM spacecraft spotted wisps of the 2020 season's 1st noctilucent, or night-shining, clouds over the Arctic on May 17.

ALMA spots the twinkling heart of our Milky Way

Astronomers used the ALMA telescope in Chile to observe irregular flickers in millimeter-waves from the center of our Milky Way galaxy: the twinkling heart of the galaxy.