The Great Oxidation Event (GOE) or Great Oxygenation Event, also called the Oxygen Catastrophe, Oxygen Revolution, Oxygen Crisis or Oxygen Holocaust, was a time interval during the Earth's Paleoproterozoic era when the Earth's atmosphere and shallow seas…

Now 35, Kara is dedicated to spreading hope and strength to other survivors

President of Peru from 1990 to 2000

system of classifying political positions, ideologies and parties

The Underground World of Tunnels Beneath Disney - Nostalgia - Messy Nessy Chic

American politician (1824-1902)

Guess who everyone had to dress up as. Go on, guess.

The Verge is about technology and how it makes us feel. Founded in 2011, we offer our audience everything from breaking news to reviews to award-winning features and investigations, on our site, in video, and in podcasts.

Legal scholars who are experts on wills and trusts explain what the Aretha Franklin verdict means and how others can avoid this situation.

private school system in Hawaiʻi

PEOPLE spoke exclusively with Hollywood Walk of Fame producer Ana Martinez about all the hidden details people don't know about the star-studded ceremony, including how celebrities have to pay for their star and the special committee that selects recipients.

Get breaking national and world news, broadcast video coverage, and exclusive interviews. Find the top news online at ABC news.

From switching the fuel they use to changing flight plans so they produce fewer contrails, airlines are searching for ways to cut their impact on the climate.

Loving v. Virginia was a 1967 Supreme Court case in which the court’s ruling struck down state laws banning interracial marriage throughout the United States.

American musician (1958–2016)

1857 massacre of California-bound emigrants by Mormon militiamen

ongoing persecution of ethnic and religious minorities in northwestern China under Xi Jinping's administration