When the universe was half its current age, the merger may have produced the first known intermediate-sized black hole.
A month’s worth of cool science stories, summed up.
Scientists argue that Deimos’ tilted orbit owes to a Martian ring that disintegrated billions of years ago.
Bacteria and yeast can survive under hydrogen in the lab, which may mean more planets could support extraterrestrial life.
Puzzling planets with the apparent density of cotton candy probably have rings, according to a new study.
The space agency’s InSight lander has detected hundreds of marsquakes since arriving on the red planet about 15 months ago.