Biologists teach that all living things on Earth are related. Is there any solid evidence to back this claim? Join us as we explore the facts! We start with a close look at the origin of whales from land mammals, and then touch on the origins of several other critters, including our own species.

Astronomers have found the earliest stars in the universe After picking up faint signals from the earliest hydrogen gas ever detected, astronomers have found evidence of the very first stars in the Universe, according to a new study published in the journal Nature. The findings have also unexpectedl

Holocaust survivor Inge Auerbacher describes why it's important for the United States Holocaust Memorial Museum to preserve the evidence of the Holocaust to teach future generations.

Margaret Heckler was President Reagan's secretary of health and human services from March 1983 to December 1985. Here she says AIDS was her number one priority, but that she had to balance her department's response against the Reagan administration's fiscal priorities. Heckler maintains that preexis...

Highlights from a Sept. 28, 2015, briefing with NASA officials discussing the strongest evidence yet that liquid water flows intermittently on present-day Mars.

House impeachment managers presented video evidence that showed how former President Trump incited the violence that led to the insurrection on Capitol Hill on January 6, 2021 during a constitutional joint session of Congress to ceetify the Presidential election of Joseph R Biden.

There is overwhelming evidence that humans are experiencing the effects of climate change, says a new report. Unless serious action is taken, this is likely to get worse, with growing risks of floods, food shortages, and threats to human health, warns the United Nation's Intergovernmental Panel on C...

Nonpartisan public servants who exposed the evidence that prompted the impeachment of a President are Time's Guardians of the Year.

In 1993, researchers discovered a stretch of DNA on the X chromosome they believed to be linked to male homosexuality. After studying the DNA of nearly half a million people with varying sexual experiences, the researchers found no evidence of a single “gay gene.” There was some genetic associatio

Brian Randolph Greene is an American theoretical physicist and string theorist. He has been a professor at Columbia University since 1996 and chairman of the World Science Festival since co-founding it in 2008. He stopped by The Late Night Show with Stephen Colbert to demonstrate an exciting new sci...