A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

Ever since humans first gazed up at the night sky, the Universe has filled us with awe and wonder. Lately, however, it's also ...

Approaching a black hole unleashes extreme tidal forces, stretching and tearing apart matter, including planets like Earth, a ...

For decades, scientists have believed there should be black holes that fall between two well-known types. On one end are stellar-mass black holes, formed by collapsing stars, with masses between 5 and ...

The Kola Superdeep Borehole was the USSR’s bold attempt to probe Earth’s crust during the Cold War, drilling over 12 km down ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the satellites we use for navigation, communication and Earth observation every ...

A series of studies sheds light on the origins and characteristics of intermediate-mass black holes. In the world of black holes, there are generally three size categories: stellar-mass black holes ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

Supermassive black holes are complex beasts. When abundant material reaches them, they can become active. The process of ...

A mysterious ring of light is thought to surround every black hole, and Alex Lupsasca wants to glimpse one for the first time. The tendril-thin halo, called a photon ring, has the power to reveal ...

The highest energy neutrino ever detected from space may finally have an origin story. Mathematical analyses suggest that the ghost particle could’ve come from a theoretical object known as a ...

This year’s ozone hole over Antarctica ranked among the smallest since the early 1990s, reflecting steady progress from ...