History

Was Pluto’s frozen heart formed in an ancient impact basin and was it once closer to the north pole? And does the icy heart conceal a subsurface ocean?

Chemicals found in Martian rocks by NASA's Curiosity Mars rover suggest the Red Planet once had more oxygen in its atmosphere than it does now.

Saturn's icy moon has an alkaline ocean, a promising sign of geochemical activity.

An international team of astronomers has discovered and confirmed a treasure trove of new worlds using NASA’s Kepler spacecraft on its K2 mission.

Astronomers using the TRAPPIST telescope at ESO’s La Silla Observatory have discovered three planets orbiting an ultracool dwarf star just 40 light-years from Earth.

In the race to discover a proposed ninth planet in our Solar System, astronomers have observed several never-before-seen objects at extreme distances from the Sun in our Solar System.

Ingredients regarded as crucial for the origin of life on Earth have been discovered at the comet that ESA’s Rosetta spacecraft has been probing for almost two years.

Chimney-like mineral structures on the seafloor could have helped create the RNA molecules that gave rise to life on Earth.

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.

Scientists from the Dawn mission to Ceres find that the dwarf planet still holds pockets of ice from billions of years ago.