Fresh orbital images and new geological analysis have revealed eight mysterious caves on Mars that appear unusually well suited to protect traces of life. Together, these caverns, portals and ...

"How do you get to Mars when the launch vehicle is not necessarily going to Mars?" ...

Researchers used the Green Bank Telescope to study the interstellar comet and found that it exhibits typical cometary behavior, with no unusual features detected ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

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

An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has ...

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

But now, they're planning to build telescopes on the far side of the Moon. These instruments will probe one of the last unexplored windows on the Universe. Here, astronomers hope to get a glimpse of ...

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called 3I/ATLAS which ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after decades of space probes, meteorite analysis, radio telescopes, and UFO ...