Ellipses are defined as curves that surround two focal points. At any point on the ellipse, the sum of the distance to both ...

Saturn's moon Mimas could have grown a huge underground ocean as its orbital eccentricity decreased to its present value and caused its icy shell to melt and thin. "In our previous work ...

Earth's history is a roller-coaster of climate fluctuations, of relative warmth giving way to frozen periods of glaciation before rising up again to the more temperate climes we experience today.

Large radial velocity surveys have been ongoing on these different instruments and have yielded a whole population of exoplanets of all kinds, from hot Jupiters to systems of Neptune-like objects to ...