Raising awareness of the effects of light pollution

A screenshot of the Light Pollution Simulator: the default screen.
Science Results - Oldest Galaxy Protocluster forms "Queen’s Court”

The most distant protocluster discovered by the Subaru Telescope. The blue shading shows the calculated extent of the protocluster, and...
Hubble Tracks a Galaxy on the Move

Hubble Tracks a Galaxy on the Move
Why the Sun Won't Become a Black Hole

NASA’s Solar Dynamics Observatory captured this view of a solar eruption on April 21, 2015.
NASA’s TESS Mission Spots Its 1st Star-shredding Black Hole

This illustration shows a tidal disruption, which occurs when a passing star gets too close to a black...
A planet that should not exist

Artistic impression of the gas giant planet GJ 3512b orbiting its red dwarf host star.
Glowing Solar Cell

Glowing Solar Cell
NASA Visualization Shows a Black Hole’s Warped World

Seen nearly edgewise, the turbulent disk of gas churning around a black hole takes on a crazy double-humped...