They’ve got their 3Is on the prize. The highly anticipated data 3I/ATLAS’ Earth tour last month is in. A targeted scan of ...

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

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

A new study allegedly finds that one of Saturn's moons may contain 'slushy tunnels' that can potentially host alien life. The ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

New experiments suggest RNA, life’s essential molecule, could have formed naturally on early Earth and even arrived from ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

As far as underwhelming headlines go: "No Alien Life Found on Comet" must rank very close to the top. An article with this title appeared in the Guardian on July 6 in response to a story claiming that ...

NASA revealed that scientists discovered sugars that are “essential” to life and a “gum-like” substance on the space rock Bennu NASA/Goddard/University of ...

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 ...