The elephant shrew is a long-snouted speedster

Beyond bolts, there are many lightning forms that you might see, including red sprites, blue jets and more. Read about them and see examples here. The post See lightning forms from the traditional to bizarre first appeared on EarthSky.

When astronomers say a distant world is 'habitable,' what do they mean? Do they mean humans could live there? Do they mean we've discovered alien life? The post Here’s what ‘habitable’ means to astronomers first appeared on EarthSky.

The brightest stars in the Northern Hemisphere's winter sky form the shape of the Winter Circle, or Hexagon, that will help you locate 6 constellations. The post Meet the Winter Circle, aka the Winter Hexagon first appeared on EarthSky.

Is Europa's ocean habitable? A new study suggests it might be 'quiet and lifeless', with little to no geologic activity on the seafloor. The post Europa’s ocean ‘quiet and lifeless,’ new research suggests first appeared on EarthSky.

The SETI@home project is taking a 2nd look at 100 notable signals. Researchers are using China's FAST radio telescope to prepare for future surveys. The post SETI@home takes a closer look at 100 notable signals first appeared on EarthSky.

Arctic air is diving south across the United States, impacting millions of people, even as far south as south Florida! Get the forecast details here. The post Arctic air flowing into the southern United States Friday first appeared on…

Ready for some easy astronomy? How about the top 10 brightest objects in our solar system? If you've seen every one of these objects, congrats! The post Top 10 brightest objects in our solar system first appeared on EarthSky.