The 21st century is featuring a second space age that is increasingly private.

At the end of 2024, ESA's Solar Orbiter was lucky to witness a strong solar flare - and observed the events leading up to this firework with ...

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

Earth's orbiting satellites are commonly regarded as if they were suspended in mid-air. It is a fact that they actually ...

A team of European astronomers has unveiled the existence of an unexpected and massive bar-shaped structure, composed ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Despite decades of warnings, governments and private companies have continued launching missions with little plan for what ...

New insights are emerging into one of astronomy’s most perplexing signals. An international research team led in part by ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.