ESA's Plato spacecraft completes critical testing ahead of its spaceflight.

New US petition demands review of plans from tech companies amid fears of environmental destruction ...

NASA’s James Webb Space Telescope discovered Beta Pictoris d, a third giant planet orbiting the young star Beta Pictoris, 63 ...

The magnitude of SpaceX's overvaluation bodes poorly for it in the near term.

Scientists have identified three Earth-sized planets orbiting two stars in the TOI-2267 system. Remarkably, planets transit around both stars — a first in astronomy. The system’s compact, cold nature ...

NASA's James Webb Space Telescope has revealed new details about the blistering lava planet 55 Cancri e, where temperatures ...

A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

Our readers enjoy getting to grips with this one, pondering everything from what this planet might look like to the various ...

Astronomers from the Massachusetts Institute of Technology (MIT) have made an unusual discovery, finding a planet which is in the process of disintegrating. And as it decays, it is leaving behind a ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to reach somewhere truly empty? Our first stop is the International Space ...

Add Yahoo as a preferred source to see more of our stories on Google. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky ...