First-ever image of two black holes captured orbiting each other, confirming a decades-old theory using a powerful radio ...

The Kessler syndrome could be closer to becoming a reality as a growing number of Elon Musk's Starlink satellites fall from the sky ...

Scientists have captured the first image of two black holes orbiting each other in the quasar OJ287, confirming a long-held ...

If Starlink continues scaling up operations, there could be as many as five of these satellites raining down on us daily.

Theorised by NASA scientists Donald Kessler and Burton Cour-Palais back in 1978, Kessler syndrome warns that objects orbiting ...

Astronomers had long suspected that certain quasars—those brilliant, otherworldly light sources fueled by supermassive black ...

NASA astronaut Don Pettit’s latest photograph from the International Space Station has sparked global awe, capturing a rarely ...

For a quarter of a century, humans have continuously occupied the International Space Station. Here's a look at how far we've ...

Astronomers have achieved the first radio image of a supermassive black hole pair, using the retired Russian RadioAstron ...

A nonprofit coalition is building a fleet of satellites to help firefighters and communities respond when disaster strikes.

Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...

Earth’s turbulent atmosphere makes it hard to detect new planets from the ground. Astronomer Rebecca Jensen-Clem is working ...