Starseeds say they’re not from this planet. Online, they’re sharing mythologies and rituals that, for some, are taking on the ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

Why does the Universe appear so silent after decades spent waiting for a message from elsewhere? Where are the ...

The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

Titan, Saturn's largest moon, happens to share some truly remarkable geophysical and geological processes with our home ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

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 ...

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.

Americans are becoming more open to the idea that aliens have visited Earth, according to a series of polls that show belief in alien visitation has been steadily on the rise since 2012. Moreover, ...