The planets Venus and Mars are about to be amazing in the western sky after sunset. Watch for them. Cool selfie from Jean-Baptiste Feldmann in France!

New maps from Planck mission support theory of cosmic inflation, the idea that, in the moments following Big Bang, space expanded faster than the speed of light. George Efstathiou - a Planck mission leader - explains more to Kavli Institute's Kelen Tuttle.

The private venture Mars One has announced its selection of 50 men and 50 women who will compete via reality TV for a one-way Mars trip, as early as 2024.

It was cold in the upper U.S this weekend, when Joshua Nowicki noticed and captured these cool frozen sand formations.

At the core of a galaxy called the Teacup, jets from a central supermassive black hole may be gradually destroying the galaxy's ability to form new stars.

Wisdom – world’s oldest known, banded, wild bird at an estimated age of 63 – laid a new egg in late 2014. Now nature reminds us that life and death go hand in hand.

It's a tough measurement, but astronomers in Stockholm say they've proven dark matter exists in our part of the galaxy.

You may have seen a snake swallow a big animal, but have you ever seen a bird do it?

It's 7,500 light years away, in the Perseus Arm of our Milky Way galaxy, in the direction to the constellation Cassiopeia the Queen.

Nothing says "I love you" like roasted and pulverized cacao beans, better known as chocolate.