The EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips. Earth, Space, Human World, Tonight.
Our sun moves around the center of the galaxy, toward the star Vega. Astronomers call this motion the apex of the sun’s way. One circuit – about 230 million years – is called a cosmic year.
Here’s an alternative explanation to the Planet 9 hypothesis, the idea that a large undiscovered planet in the outer solar system is pulling on some small outer worlds, distorting their orbits.
Hey skywatchers! Check out this first video in the Chasing Darkness series, a stargazing destination guide. This episode – dark sky preserves in Alberta, Canada.
In 2019, there are 13 new moons and 12 full moons, but only 5 eclipses – 3 solar and 2 lunar.
Go outside, and look for the waxing gibbous moon tonight. Then notice the stars nearby. Tonight’s moon is within the Winter Circle stars.
New clues from fossils from the oldest soils on Earth suggest that multicellular, land-dwelling organisms might have emerged much earlier than we thought.
Astronomers are arguing over a brief and unusual flash in the night sky from earlier this year. The call it the Cow. One group argues it was a monster black hole shredding a passing star. The other argues it might have been a black hole being born.
A new study analyzes pulses of radio waves coming from a magnetar – a rotating, dense, dead star with a strong magnetic field – located near the supermassive black hole at the heart of the Milky Way.
Why search for such a faint constellation? Only because it’s very beautiful. Plus seeing Eridanus can give you a kinship with stargazers from centuries ago.
Watch the celestial clock and its 2 great big hour hands – Cassiopeia and the Big Dipper – as they swing around the North Star every night!
Patty and the ice circle
Contemplate the apex of the sun’s way