These bright but fleeting explosions unleash more energy than the Sun produces in a day — and yet we don’t even know what causes them.
On January 1, 2019, NASA’s Pluto explorer will fly past a distant, enigmatic world left over from the solar system’s birth.
Explore the LMC
The Large Magellanic Cloud, the Milky Way’s largest satellite galaxy, contains a vast number of deep-sky gems.
Enceladus on Earth
Michael Carroll and Rosaly Lopes visit Antarctica to learn what the frigid continent can tell scientists about icy moons.
Hunt Orion’s deep-sky gems
You know the Orion Nebula. Now discover many more telescopic sights within winter’s showpiece constellation.
Around the sky with a small scope
Think you need a huge telescope to get anything out of astronomy? Think again.
Meandering through Monoceros
Spend some time observing the Unicorn’s wonders.
Fornax LighTrack II mount tested
Light weight, ease of use, and high accuracy make this mount a terrific choice.