Enjoying EarthSky? Subscribe.

214,176 subscribers and counting ...

Image via SKYGLOW

Gorgeous Dry Tortugas night skies

The National Park Service normally doesn’t allow night photography at the Dry Tortugas, but made an exception for this project.

rocket-body-reentry-7-27-2016-ian-norman

Spectacular rocket reentry over US West

Observers in the U.S. West saw a disintegrating meteor – a fireball, or extremely bright meteor – on July 27, 2016. It was the reentry of a Chinese rocket body.

Image via Vanderbilt University

Being called a bird brain is no insult

A new study has found that bird brains have significantly more neurons than do mammal – even primate – brains of the same mass.

Image via NASA/SDO

Trio of solar flares

The sun emitted 3 mid-level solar flares on July 22-23, 2016. This is what NASA’s Solar Dynamics Observatory saw.

edge-of-perception-video-still

Sky and Earth time-lapse, New Zealand

A new time-lapse video from New Zealand, showing both its dramatic landscape and the sky above. It’s called “The Edge of Perception.”

Image via NASA

A year of Earth from a million miles

Watch a full year of Earth’s sunlit side, seen from a million miles away by the DSCOVR spacecraft.

eclipse2017-video-still

Moon shadow in 2017 eclipse

Fly along with Earth’s shadow in a video depicting the path of the August 21, 2017 total eclipse of the sun, first eclipse over the continental U.S. since 1979.

2016-first-6-months-temperatures

1st half of 2016 warmest on record

The 6-month period from January to June was our planet’s warmest half-year in the modern temperature record, which dates to 1880.

Scientists from NASA's New Horizons mission used state-of-the-art computer simulations to show that the surface of Pluto's heart-shaped Sputnik Planum region is covered with churning ice "cells." These icy cells are geologically young, less than a million years old. The scene above is about 250 miles (400 km) across. It uses data from New Horizons' July 14, 2015 flyby of Pluto. Image via NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute)

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!

Kevin Krajick/Lamont-Doherty Earth Observatory

Giant quake may lurk under Bangladesh

A huge earthquake could be building beneath Bangladesh, Earth’s most densely populated nation. There’s potential for some 140 million people to be affected.

noctilucent-clouds-Adrien-Mauduit-7-12-2016-cp

Noctilucent clouds over Europe last week

Time-lapse video of the amazing noctilucent cloud display over northern Europe on July 12-14, 2016. Adrien Mauduit called it a “storm” of these clouds.

Image via NASA

Keeping Earth safe from asteroids

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

Artist's concept of derelict satellite capture by net. Image via ESA.

ESA to capture large derelict satellite

The European Space Agency is moving forward with plans to capture and remove a large piece of space debris, in a mission called e.Deorbit, by 2023.

spix's macaw birdlife international

16-year-old spots rare bird in Brazil

It was Grandpa Pinpin’s dream to see his favorite bird, Spix’s Macaw, before his death at 94. He didn’t accomplish it, but his 16-year-old granddaughter did.

This artist's rendering shows NASA's Juno spacecraft making one of its close passes over Jupiter. Image via  NASA/JPL-Caltech

Success! Juno is orbiting Jupiter

After a 5-year voyage, Juno performed a successful braking maneuver on July 4. First spacecraft to enter Jupiter orbit since Galileo in the 1990s.

Scientists will use the twin magnetometers aboard NASA's Juno spacecraft to gain a better understanding about how Jupiter's magnetic field is generated. Image via NASA Goddard Space Flight Center

Boom! Juno within Jupiter’s magnetosphere

In late June, as Juno crossed into Jupiter’s magnetic field, an instrument aboard the craft recorded the bow shock. Hear it here.

This still from Larry Koehn's recent video shows Venus and Jupiter in late, 2016, when these 2 brightest of planets will appear near each other in the west after sunset.  Visit Larry's website shadowandsubstance.com

Tracking Venus in 2016 and ’17

Looking for Venus? It’ll soon come into view in the west after sunset. This video tracks Venus from when it reappears again by mid-July, 2016 … to April, 2017.

Photo credit: Smithsonian

How do octopuses change their color?

Incredible color-changing! How – and why – the octopus, squid, and cuttlefish change color.

cygnus-leaves-ISS-6-14-2016-cp

Cygnus spacecraft’s fiery re-entry

Scientists aboard an aircraft caught the impressive streak and final breakup of the Orbital ATK Cygnus supply ship, as it re-entered Earth’s atmosphere on June 22.

moonset-2016-zimbabwe-peter-lowenstein

Watch 5 moonsets over Zimbabwe

Moonset at 5 different points on the horizon, at 5 different moon phases, from a young moon to the June 20 full moon at Zimbabwe’s winter solstice.