Early in its history, cloudy weather could have helped Mars retain enough heat for liquid water to exist on its surface.
Earlier than one billion years ago, Earth’s magnetic field had to be driven differently than today. But how? And what can we learn from this about magnetic fields on exoplanets?
What can we learn from the lack of giant planets found at wide separations?
Water worlds – do they exist? Or is there an omnipotent self-regulation mechanism which makes terrestrial planets look like Earth?
There’s so much to see in the Universe that we can forget there are still things to discover in our own neighborhood. The authors of today’s paper decided to search the Solar System a bit further, and made a very interesting discovery around the dwarf planet Makemake.
The first asteroid ever discovered is serving up scientists a new set of firsts. The shiny patches that bespeckle its surface suggest there’s more to Ceres than meets the eye.