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 ...

He is the author of two books, "Your Place in the Universe" and "How to Die in Space," and is a regular contributor to Space.com, Live Science, and more. Paul received his PhD in Physics from the ...

In 2023, this “Citizen Science” column focused on distinguishing science from pseudoscience; in 2024, we sought to demystify ...

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 ...

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 ...

These small, early-universe black holes could also contribute to the mystery of dark matter, which makes up 85% of the universe's mass. Methods are being developed to detect their gravitat ...