As I finished my Ph.D. in 1992, the universe was full of mystery—we didn't even know exactly what it is made of. One could ...

That might be what astronomers felt when they discovered an evolved galaxy similar to the Milky Way, but lighting up space when the universe was merely 700 million years old. Given that most ...

Cosmologists can then use that measurement to calculate what the present-day Hubble constant ought to be. While subject to far less uncertainty than the supernova method, it does require the use ...

Highly speculative ideas rarely test out. That’s why CAS is something of a scientific unicorn—a highly speculative idea, the ...

Is it far-fetched? Of course! But right now, cosmologists are trying to figure out if there’s a group of multiple universes running parallel to each other—and whether they might be habitable.

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Changes in neural activity thought to reflect brain aging may be partly influenced by age-dependent signals ‘leaking’ from the heart.

Margaret and Geoffrey Burbidge, discuss their work, the Universe, the space program and God. This clip is from The Cosmologists. BBC Archive: Originally broadcast 12 March 1963.

The estimates of the age of the universe given by modern cosmologists are still only rough approximations, which are revised (usually upward) as the methods of estimation are refined. Some ...

In what was then regarded as a great coup, they secured the attendance of Linde and two other young Soviet cosmologists, Alexei Starobinsky and Alexander Dolgov. The VEU meeting was Linde's debut ...