Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

In this series, we cover provocative questions in astronomy. This week: the mysterious extragalactic signals known as Fast ...

The Marina del Rey-based author and publisher of the Claire DeWitt books is coming to Skylight Books with Tod Goldberg on Feb ...

Here, Space.com explores some of the biggest space mysteries currently perplexing scientists. In the early 20th century, astronomer Edwin Hubble discovered that the universe is expanding ...

Finding extraterrestrial life remains one of humanity’s greatest mysteries. The Big Bang created ... Since 1998, we’ve known the Universe’s expansion is accelerating. Dark energy likely ...

There's a significant imbalance between matter and antimatter in our universe, but a strange particle ... path to solving a number of cosmological mysteries. Editor's note: This article was ...

Dava Sobel, the author of that fascinating book Longitude, quoted Galileo: “The Bible teaches us how to go to heaven, not how ...

and hauled into Fermi National Accelerator Laboratory in Batavia — to explain the universe’s mysteries. Scientists will try to solve puzzles like why post-Big Bang matter conquered antimatter ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

Physicists have performed a groundbreaking simulation they say sheds new light on an elusive phenomenon that could determine the ultimate fate of the Universe.

For the past two decades, astrochemists and astronomers have been puzzled by two seemingly inexplicable mysteries. The first was that the amount of volatile sulfur in dense clouds and star-forming ...