Don’t miss moon and Venus before sunup

They'll be the 2 brightest sky objects up before the sun on the morning of March 2, 2019 - the moon and Venus - in the east at dawn.

These ice-covered Chilean volcanoes could erupt soon

Heightened volcanic activity in the Nevados de Chillán prompted Chilean authorities to issue an orange alert in anticipation of an eruption.

Ceres had meltwater reservoirs for millions of years

Life on Ceres, largest body in the asteroid belt? Maybe, at one time. New research points to ancient subsurface reservoirs of salty meltwater that might have lasted millions of years and let life's chemistry begin.

Want cleaner roadside air? Plant hedges

To improve air quality near urban roads, scientists from the Global Centre for Clean Air Research recommend planting hedges that can trap air pollutants.

Green dragon aurora over Iceland

Do you see the dragon in this green aurora that appeared over Iceland earlier this month? It's an example of what's called pareidolia.

Touchdown marks on asteroid Ryugu

A new image from Japan's Hayabusa-2 spacecraft reveals a large, dark, irregular spot where the craft landed on asteroid Ryugu's surface last week.

Now is the time to see Mercury

For Northern Hemisphere skywatchers, it's the best evening apparition of Mercury in 2019. Now is the best time to look.

New NASA consortium to study how life began

How did life originate on Earth and, possibly, other worlds in space? A new NASA consortium has the goal of probing one of nature's most perplexing mysteries.

Spectacular moon, 3 planets, before dawn

A beautiful scene awaits you in the early morning sky. It's a golden opportunity to see the moon sweep past 3 glorious planets: Jupiter, Saturn and Venus.

Andromeda galaxy via robotic telescope

James Figge of Delmar, New York captured this image on February 23, 2019 - from the comfort of his home - with the Harvard-Smithsonian 6-inch robotic telescope in Arizona.