Astronomers are closing in on what looks like a rare prize: a world almost the size of Earth, circling a Sun-like star at a ...
A tiny spacecraft with big implications for lunar exploration has launched. The miniscule satellite, called a CubeSat, is about the size of a microwave oven and weighs just 55 pounds (25 kilograms), ...
How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...