Stunned by President Trump’s outreach to Russia over Ukraine, European leaders are groping for common ground.

US and Russian officials are meeting in Saudi Arabia to lay the ground for talks about ending Vladimir Putin’s war in Ukraine ...

European leaders were summoned by French President Emmanuel Macron in a high-profile display of European coordination on ...

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

Firefly Aerospace's Blue Ghost captured some stunning sights on its way to the Moon's Mare Crisium basin.

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first ...

The planet is tidally locked to its star, which means one side is always facing it and, for that reason, has a scorching ...