
What Is the Zodiac—And What Does It Mean for You?
The familiar zodiac constellations are defined by Earth’s motion around the sun, but they don’t define your fate
What Is the Zodiac—And What Does It Mean for You?
The familiar zodiac constellations are defined by Earth’s motion around the sun, but they don’t define your fate
Auroras May Light Up New Year’s Sky after Solar Outbursts
Will still more auroras ring out 2024, a year marked by the celestial displays?
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An Earth-Rocking Cosmic Explosion Turns 20
Twenty years ago today a magnetar’s epic tantrum made our planet ring like a bell from tens of thousands of light-years away
What’s in a (Star’s) Name?
With billions of stars in the Milky Way, some nomenclature standardization is necessary
Behold! 2024’s Most Stunning Space Photos
See the year’s most striking images from the Hubble and James Webb space telescopes, NASA’s Mars rover and the best sky watching on offer
Wildfires Are Threatening Astronomy, and the Worst Is Yet to Come
As wildfires grow in severity and frequency, they’re not only threatening lives but also our visual connection to the cosmos
How Do Astronomers Navigate the Sky?
The celestial equivalent to latitude and longitude lets astronomers find their way across the heavens
What’s Inside Our Galaxy’s Darkest Place?
Barnard 68 is often mistaken for a hole in space, but it’s actually a dense, opaque cloud of dust—for now
Sunbeams and the Belt of Venus Are Delightful Twilight Sights
“Twilight rays” are but one of several viewing treats for the liminal time between day and night
A Science Breakthrough Too Good to Be True? It Probably Isn’t
The more exciting, transformative and revolutionary a science result appears, especially if it comes out of nowhere, the more likely it is to be dead wrong. So approach science headlines with a healthy amount of skepticism and patience
Why Is the Sky Dark at Night? You Can Thank the Big Bang
Called Olbers’ paradox, the seemingly simple mystery of the sky’s darkness is something that stumped astronomers for centuries
Famous Star Hasn’t Formed Planets, and We Don’t Know Why
The nearby star Vega, featured in the 1997 movie Contact, appears to have a smooth disk devoid of giant planets for reasons we can’t explain