NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?
A team of astronomers led from St. Andrews and Manchester universities today (6 July) announced the discovery of a ring of rocks circling a very young star. This is the first time these ‘pebbles,’ ...
In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is another possible candidate—planets circling white dwarfs, the hot, dense remnants ...
Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds. For decades, scientists have debated the origin of Earth's water. One ...
Add Yahoo as a preferred source to see more of our stories on Google. Stargazers in California and worldwide will be treated to a planet parade in February when Earth's seven sister planets align. You ...