LATEST NEWS
A new analysis maps out water across the lunar surface, revealing how its abundance changes with latitude. Read more…
Researchers have found strong evidence of titanium oxide in the atmosphere of a hot giant planet, adding new insights to the complex motions of these planets’ extreme atmospheres. Read more…
Kepler Discovers Pulsations in the Pleiades
The exoplanet-hunting Kepler satellite has long monitored thousands of stars, but the brightest ones have largely remained out of its reach — until now. Read more…
OSIRIS-REX to Fly by Earth on Friday
NASA’s ambitious OSIRIS-REX asteroid sample return mission swings by Earth this Friday for a gravity assist en route to asteroid 101955 Bennu. Read more…
Supermassive Black Holes Discovered in Close Tango
Astronomers have found what could be the closest known pair of supermassive black holes detected via direct imaging, orbiting each other only a light-year apart. Read more…
Some Cosmic Rays Come from Outside the Galaxy
Astronomers have detected more extremely energetic cosmic particles coming from one side of the sky than the other. Read more…
Puffed-Up Hot Jupiter Is Surprisingly Dark
Researchers have found that a football-shaped, ultra-hot gas giant that’s being devoured by its host star is also one of the least reflective exoplanets ever discovered. Read more…
OBSERVING HIGHLIGHTS
This Week’s Sky at a Glance, September 22 – 30
This week’s equinox marks the start of a new season. Titan should also be visible this week through even a small telescope. Read more…
How to See and Photograph Geosynchronous Satellites
Dozens of satellites are busy day and night, beaming your favorite TV and radio programs from more than 35,000 kilometers away. Here’s how to tune into them. Read more…
Tour September’s Sky: Saturn Time!
In September’s astronomy podcast, you’ll learn what’s special about the ringed planet Saturn, now visible in the evening sky. Read more…
S&T Webinar: When’s the Next Solar Eclipse?
If you loved seeing August’s solar eclipse and are eager to see another one, don’t miss this live webinar on upcoming total and annular solar eclipses. Read more…