Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The CaSSIS camera aboard ...

In a new study, MIT physicists propose that if most of the dark matter in the universe is made up of microscopic primordial black holes—an idea first proposed in the 1970s—then these gravitational ...

A new study casts doubt on a phenomenon that was previously believed to show water flowing on the surface of Mars. Since the 1970s, scientists have studied dark streaks seen on Mars' cliff sides and ...

The European Space Agency (ESA) has uncovered new evidence of a dark ash blanket slowly spreading across Mars, an occurrence that has unfolded in just a few decades. This discovery, captured through ...

With less than 20 percent of all physical matter made from visible stuff—from stars and planets, to the kitchen sink—astronomers continue to hypothesize what form the invisible majority of the ...

Watching for changes in Mars' orbit over time could be new way to detect passing dark matter, according to researchers. In a new study, MIT physicists propose that if most of the dark matter in the ...