Edwin Hubble's revelation in 1924 that the Andromeda Nebula was, in fact, an 'island universe,' was a pivotal moment in our ...

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

"Why do they have the same rotation? They must have a connection with each other — that would be a very strong question that ...

Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth causing climate ... our own solar system is small, it could very well happen in many ...

Astronomers have taken the first close-up image of a star beyond our galaxy, and it’s a “monster star” surrounded by a cocoon as it slowly dies.

According to one theory, Type 1 civilisations are energy-efficient and have total control over planetary energy resources.

The James Webb Space Telescope has taken a detailed look at the Milky Way's monstrous young supercluster Westerlund 1.

A pulsar within a few thousand light-years of Earth could have accelerated electrons and positrons to the highest energies ...

A scientist simulated the contents of the ice giant worlds, and found that a fluid layer may explain each planet’s strange ...

Scientists with the HESS Observatory have identified the most energetic cosmic electrons ever observed. What could this mean ...

Five telescopes of the H.E.S.S.-collaboration in Namibia are used to study cosmic radiation, especially gamma radiation. With ...

Review: 'Elevation' is as generic as post-apocalyptic thrillers get, and Anthony Mackie might not raise the bar with it.