Each strand has knots tied in certain locations ... and a quarter of all matter within that region of the near Universe – but they occupy only 13 percent of its volume, making them clear over ...

That's because even hydrogen, by far the universe's most abundant element ... however, observing this strand of the cosmic web required hundreds of hours of observing time during one of the ...

To accomplish this, each strand of existing DNA acts as a template for replication. The initiation of DNA replication occurs in two steps. First, a so-called initiator protein unwinds a short ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of the universe. Type Ia supernovae are the dramatic explosions of white ...