All matter and antimatter should have annihilated each other early in the universe’s history. So, what allowed matter to survive?
CERN scientists have produced and captured antihydrogen atoms.
From Mars’ tenuous carbon dioxide atmosphere to Jupiter’s hydrogen-rich envelope, the solar system’s worlds provide an often-bewildering array of planetary weather.
Some scientists think acid rain may not be the oddest form of precipitation on Venus. And on Saturn, researchers can’t measure precise wind speeds because they don’t know how fast the planet rotates.
What happened to science education?
Test scores are down, ignorance is rampant, disinformation is everywhere, and nobody seems to care.
Be they useful, powerful, or beautiful, these relationships represent a few of our favorite things about science.
Join the Astronomical League’s observing clubs
Become a better observer by taking carefully planned tours of the sky.
Why teens should care about astronomy
Fourteen-year-old Ayla Besemer explains why she likes astronomy and why other kids should, too.
What initiated the magazine staff’s interest in space and astronomy?
40 cosmic questions and answers
These quick takes will help you along your astronomical journey.
You’ll impress family and amateur astronomers alike with your knowledge of these astronomical concepts.
These 50 queries will test your knowledge of astronomy trivia.
There’s an astro app for that
Star charts, observing guides, games, and more can turn your iPhone, iPad, or iPod Touch into your best buddy.