Photosynthesis changed Earth in powerful ways. When photosynthetic organisms appeared, it led to the Great Oxygenation Event.

For observers in India, Neptune will be visible throughout most of the night on September 20-21, rising in the east just as the sun sets in the west.

O'Donoghue pays a visit to NCPR's morning news show, Northern Light, to guide us through what to look for in the morning and ...

Astronomers have observed three types of black holes in the universe. Stellar-mass black holes formed from the collapse of a ...

According to a new study, if a primordial black hole passed within a few hundred million miles of Mars, it could shift the planet's orbit by about a meter -- causing a "wobble." ...

Physicists are still hot on the trail of a substance that could change everything: dark matter in the form of primordial ...

NASA is weeks away from sending its Clipper orbiter on a journey to the Jupiter moon Europa, which scientists believe could ...

The night sky on Tuesday will treat us to a partial lunar eclipse during a supermoon. It’s an astronomical wonder that almost ...

"Primordial black holes do not live in the solar system. Rather, they're streaming through the universe, doing their own ...

Watching for changes in Mars’ orbit over time could be new way to detect passing dark matter, according to MIT researchers.

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep ...