After a year in which U.S. Immigration and Customs Enforcement dramatically increased its operations under President Donald Trump and simultaneously faced an increase in attacks against officials, the ...

Add Yahoo as a preferred source to see more of our stories on Google. An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS. In July, ...

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 ...

A federal judge on Monday said the U.S. government denied due process to the Venezuelan men it deported to a prison in El Salvador in March after President Trump invoked the Alien Enemies Act. The ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

The search for life beyond our solar system heated up this year when scientists reported a tantalising signal from an exoplanet of a molecule that is known to be produced exclusively by life on Earth.

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...