Dubbing these “closed timelike geodesics” (CTGs), Ralph and Sajeendran explain in the paper: “Such a CTG would be ideal for ...

Nobel laureate Kip Thorne, who will deliver the Royal Irish Academy 2025 Hamilton Lecture, on his lifelong quest to ...

Star Trek's iconic warp drive, once pure science fiction, is now inspiring real-world astrophysicists. Scientists are ...

Space power is central to communication, navigation, and surveillance. China’s “Space Silk Road” envisions orbital highways of satellites as critical to global influence, much as maritime routes once ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. This blue horseshoe is a distant galaxy magnified and distorted by the strong gravitational pull ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

ANN ARBOR, Mich.—Einstein’s predicted distortion of space-time occurs around neutron stars, University of Michigan astronomers and others have observed. Using European and Japanese/NASA X-ray ...

THIS ARTICLE IS republished from The Conversation under a Creative Commons license. How much do we really know about what else is out there in the universe? Let’s take an outlandish example. If there ...

"This is amongst the top 10 most massive black holes ever discovered, and quite possibly the most massive." About 5 billion light-years away from where you're sitting, in one of the most massive ...