Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million ...

American astrophysicist and science communicator Neil deGrasse Tyson, and English physicist, science communicator, and musician Professor Brian Cox have given the world their thoughts on interstellar ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

President Trump is holding onto a speech detailing extraterrestrial life and spaceships, according to his daughter-in-law Lara Trump, who said the president is waiting for the right time to deliver it ...

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

Barack Obama sparked a debate after seeming to confirm aliens are “real” on a podcast. The comment came as Congress continues ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.