The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

"If the effect is real and scaling behaves the way our equations say, then the possibility becomes real," Chyba told Newsweek.

While all types of ancient remains are valuable to science, teeth— protected by enamel, the hardest substance in the body—are ...

Active Record creates a transaction around each migration, and backfilling in the same transaction that alters a table keeps the table locked for the duration of the backfill. class ...