Dwarf galaxies that orbit the Milky Way and the Andromeda galaxies defy the accepted model of galaxy formation, and recent attempts to wedge them into the model are flawed, reports an international ...

Dark energy has been a mysterious element of cosmological equation since it was proposed three decades ago, but new research says we can make the math of the universe’s expansion work without relying ...

The new Tesla Model Y Standard and Model 3 Standard are $5,000 and $5,500 more affordable than the rest of the lineup, respectively. Tesla cut a laundry list of features from the cars to make them ...

Tesla has spent more than a year teasing that “more affordable models” of its vehicles were on the way, and on Tuesday, the company finally revealed them. The company is now selling a more bare-bones ...