In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

The man suspected of killing two students at Brown University and fatally shooting a Massachusetts Institute of Technology professor days later recorded a series of short videos after the violence ...

A judge Tuesday granted a resentencing for Charles Andrew "Andy" Williams, the 2001 Santana High School teenage shooter originally ordered to serve a 50-year-to-life prison term for killing two ...

Federal prosecutors on Tuesday released transcripts of short videos they say were recorded by the gunman responsible for a mass shooting at Brown University and the killing of an MIT professor in ...

Add Yahoo as a preferred source to see more of our stories on Google. BOSTON (AP) — The man identified as the shooter who killed two Brown University students and an MIT professor planned the attack ...

A Superior Court Judge on Tuesday ruled that 2001 Santa High School shooter Charles “Andy” Williams is eligible for resentencing, prompting the San Diego County District Attorney to immediately appeal ...

PORT HUENEME, Calif. (KABC) -- An "all clear" was given Tuesday morning after a report of an active shooter near Port Hueneme's Naval Base Ventura County was deemed to be unfounded, officials said.

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...