Space

Did ‘Anti-Universe’ Exist Before The Big Bang?

A new theory says that Big Bang was a starting point of an anti-universe, a mirror image of the present universe.  In anti-universe, time flows in the opposite direction and antimatter dominates.  The Big Bang cosmology describes the history and...

27 Interesting Facts About Earth’s Atmosphere

The shiny blue marble (Earth) has fascinated us since we have first begun to walk across its surface. To date, it remains the only planet we know of where life exists. Over the past few centuries, we have learned a lot about Earth, but how much does...

Rendering An Exploded Star Into Virtual Reality

Researchers create VR display of what remains after a star dies.  They built a model of a supernova remnant called Cassiopeia A, using data from Chandra X-ray Observatory and Spitzer Space Telescope.  Cassiopeia A is the youngest known supernova...

Super-Earth Planets Are Full Of Rubies And Sapphires

Astronomers found a new class of exoplanets orbiting too close to their host stars.  These so-called super-Earths consist largely of aluminum, calcium and their oxides such as ruby and sapphires.  Most planets and exoplanets (planets outside our...