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Posts by
Editors of EarthSky
NOAA announces the arrival of El Niño
This year's El Niño is likely to be weak, with little influence on weather through early spring, say NOAA forecasters.
February 18, 2019
Mars Opportunity rover ends its mission
The Mars Opportunity rover, built to last 90 days, has ended its mission after 15 years on the red planet.
February 14, 2019
Just for fun: Tour alien worlds
Some fun multimedia from NASA, including (free) Exoplanet Travel Bureau posters, cool 360-degree visualizations, and a journey into the life and death of planetary system.
February 11, 2019
Bubbles of brand new stars
This dazzling region of newly-forming stars in the Large Magellanic Cloud was captured by ESO’s Very Large Telescope.
February 10, 2019
When will the Milky Way and Andromeda galaxies collide?
The Andromeda galaxy is the nearest large spiral to our Milky Way. Astronomers have suspected for some time it will eventually collide with our Milky Way. Now - thanks to the Gaia satellite - they know more.
February 8, 2019
Astronomers find a new, nearby galaxy
Astronomers studying a globular star cluster accidentally discovered a more-distant galaxy behind it. The little galaxy is 30 million light-years away and is nicknamed Bedin 1. The videos in this post take you there.
February 4, 2019
The sun in 2018
This animation consists of 365 images of our sun, captured by ESA’s PROBA-2 satellite in 2018. See a montage showing the sun from day to day, and read more.
February 3, 2019
New warning about Greenland ice melt
A new study suggests that Greenland ice is melting 4 times faster than in 2003. "We’re going to see faster and faster sea level rise for the foreseeable future," these scientists said.
January 28, 2019
How soon will we see the black hole at the Milky Way’s heart?
An international consortium has been striving to obtain an image of the “shadow” of the event horizon of our Milky Way's central supermassive black hole. Here's an update.
January 24, 2019
Do all planets orbit in a flat plane around their suns?
The major planets in our solar system orbit, more or less, in a single plane. That's why you can look for them along the same sky path traveled by the sun and moon. Is the same true for exoplanets in distant solar systems?
January 24, 2019
