According to our best understanding, the universe is expanding - and is doing so at an accelerating rate. This is believed to be caused by something ...

In recent decades, it has become better known as dark energy, which is believed to make up about 70% of the universe. Crucial ...

Dark energy revived Einstein’s discarded cosmological constant and reshaped the leading model of the universe.

Quote of the Day by Bernhard Riemann: "If only I had the theorems! Then I should find the proofs easily enough." One ...

Albert Einstein’s general theory of relativity predicts that a rotating mass like the Earth pulls the fabric of space and ...

When two black holes orbit each other, they will eventually spiral inward and collide in one of the most violent phenomena in ...

Relativity Space has entered the building. The 3D-printed rocket startup has emerged from a restructuring period to possibly beat SpaceX to Mars. The four Aeolus instruments will orbit the Red Planet, ...

Some of the hardest questions in cosmology begin where the usual math gives up. Push Einstein’s theory far enough back toward ...

NASA is teaming up with former Google CEO Eric Schmidt’s Relativity Space to expand its Mars monitoring capabilities. The space agency announced on Wednesday that the private space company will ...

NASA is partnering with Relativity Space, the rocket company run by former Google chief Eric Schmidt, to fly a science mission to Mars. Announced on June 17, the mission is called Aeolus, the first ...

NASA has teamed up with Relativity Space, whose CEO is former Google chief Eric Schmidt, for a Martian orbiter mission called Aeolus. Similar to its partnerships with SpaceX and other private ...

WASHINGTON — Relativity Space plans to launch a Mars orbiter in 2028 as part of a new initiative to privately develop planetary missions. The company announced June 17 its Interplanetary Sciences ...