Earth’s neighbor still has secrets that science is trying to figure out, and one of them is potential signs of life.

For centuries, humanity has wondered whether we are truly alone in the universe — and now, NASA’s top official believes the ...

A NASA rover image of a rock formation on Mars resembling a doorway has sparked speculation about alien life, though experts ...

Throughout July 2026, SETI Institute scientists, leaders, and collaborators contributed to conversations spanning the origins of life, the search for extraterrestrial intelligence, Mars exploration, ...

It may seem like we are on the verge of discovering alien life. In 2025, a press release stated that we have the "strongest hints yet" of extraterrestrial life on the exoplanet K2-18b. And when ...

In September 2025, NASA revealed a remarkable rock sample collected by the Perseverance rover that could represent the ...

In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front of us ...

A slender, elongated rock on the Martian surface. That's what NASA's Curiosity rover photographed in Gale Crater, where it has been operating since 2012. When UFO blogger Scott C. Waring resurfaced ...

A NASA Curiosity rover image has sparked debate after a UFO hunter claimed it shows an alien missile, though NASA attributes it to natural rock formations.

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

It may seem like we are on the verge of discovering alien life. In 2025, a press release stated that we have the “strongest hints yet” of extraterrestrial life on the exoplanet K2-18b. And when ...