A distant pulsar’s radio signal flickers as it passes through space, much like stars twinkle in Earth’s atmosphere. By ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Scientists used the world's largest single-dish radio telescope to scan comet 3I/ATLAS for signs of extraterrestrial life, but found no artificial radio emissions.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

British space scientist Dame Maggie Aderin–Pocock is sure that life is present on some other planet in the universe. Citing the sheer number of cosmic bodies and galaxies, she says there has to be ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

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 ...

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater, scientists theorize that its frozen ...

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared she is 'absolutely convinced' there are aliens out there ...