If you were standing on TRAPPIST-1D looking out at the other six planets in your system, they would look large - something like our moon does to us - but be moving much faster.

The mission is ending with some great prospects for life.

Scientists discuss options for finding life outside our solar system.

If chemical energy is life’s coin and water is life’s marketplace, there may be a swift economy alive and well beneath the icy shell of Saturn’s brightest moon.

Hundreds of visionaries from planetary science, astrophysics, engineering, and other disciplines came together last week at NASA headquarters to break conceptual ground on humanity’s future in space.

Researchers from NASA and the University of London have discovered what may be the world’s oldest fossil to date.

If you were standing on TRAPPIST-1D looking out at the other six planets in your system, they would look large - something like our moon does to us - but be moving much faster.

A first look at NASA’s new plan to search for life on Jupiter’s Moon

The European Space Agency and Roscosmos, the Russian Space Agency, celebrated as their joint satellite ExoMars with its Trace Gas Explorer (TGO) slid into orbit around the red planet.

Some amount of liquid may still be lurking beneath the Kuiper-belt-object’s frozen crust.