Scientists identify best exoplanets for Earth-like life

Scientists have now identified some exoplanets that might have suitable temperatures for liquid water and enough UV light for the chemistry thought to have led to life on Earth.

August 6 and 7 before sunup: Moon in Taurus

These next 2 mornings - August 6 and 7, 2018 - you'll find the moon in front of Taurus the Bull, near its 2 most prominent signposts: the bright star Aldebaran and the Pleiades star cluster.

Wolf-Rayets are hot, massive, bright stars

Wolf-Rayet stars make our sun look tiny. They can be hundreds of times more massive, millions of times brighter, and tens of thousands of degrees hotter.

Why wildfires are bigger and harder to control

It's a perfect storm of factors - including climate change, development, past forest management policies and current firefighting practices, says forestry expert.

Arc to Arcturus and spike Spica

Right now, the planets Venus and Jupiter - and the Big Dipper - can help you learn the sky mnemonic follow the arc to Arcturus and drive a spike to Spica.

Where to look for life on Titan

Saturn's moon Titan has lakes and seas, filled with liquid ethane and methane. But they might not be the best places to look for life, according to new research.

Dust in space: 10 cool things to know

In space, dust comes from comets and exploding stars. It can form planetary rings, drive global weather patterns and even form the seeds of new planets.

20 years of tracking Near-Earth Objects

Asteroid on a collision course with Earth? These astronomers will likely see it first. NASA's Center for Near-Earth Object Studies - now entering its 3rd decade - makes over 90 percent of near-Earth asteroid and comet discoveries. Here's how and why they do their work.

Which lizards can outlast a hurricane?

In the wake of hurricanes Irma and Maria, researchers document how catastrophic storms can be agents of natural selection, influencing how species evolve.

Reaching to the stars

Photographer Miska Saarikko titled this image Reaching to the Stars.