Ingredients for life in space rocks that fell to Earth

Two rocks that crashed to Earth from space in 1998 are the 1st meteorites found to contain both liquid water and a mix of complex organic compounds such as hydrocarbons and amino acids.

Analysis reveals tiny dino with rainbow feathers

This bird-like dinosaur lived in China about 161 million years ago. Scientists think it might have used its rainbow ruff to dazzle potential mates.

Cartwheel Galaxy

Hubble Space Telescope image of a rare ring galaxy in the direction of the constellation Sculptor.

January 31 lunar eclipse: What scientists can learn

The lunar eclipse January 31 offers scientists a chance to see what happens when the surface of the moon cools quickly.

Sun pillar over frozen lake, Sweden

Nature photographer Jörgen Andersson posted this photo to EarthSky Facebook on January 22, 2018.

Dwarf planet Ceres soon to be closest since 2009

Earth and Ceres will be closest for 2018 on February 1. Ceres hasn't been this close since 2009. Start looking for this tiny world - largest body in the asteroid belt - now.

Scientist proposes yet another new definition of a planet

What's a planet? What's a dwarf planet? What's a brown dwarf? In recent years, astronomers have grappled with these definitions. The newest proposal comes from Johns Hopkins.

Half-lit quarter moon on January 24

The Earth and moon are like mirrors to each other in that - when we see a 1st quarter moon in our sky - those on the moon would see a last quarter Earth.

Tsunami warnings issued – later canceled – after powerful Alaska quake

A powerful earthquake struck 174 miles (280 km) southeast of Kodiak, Alaska, early on January 23. Tsunami watches or warnings were issued - later canceled - for western North America and Hawaii.

Hubble Telescope finds substellar objects in Orion Nebula

Yes, the Orion Nebula is a star factory, but a new deep survey has revealed 17 brown dwarf companions to red dwarf stars, a brown dwarf pair, a brown dwarf with a planetary companion plus ... 3 giant planets.