New orbital data reveal that the most recently active volcanic systems on Mars weren’t simple one-off blasts into space.

Organic compounds discovered on the Red Planet cannot be fully explained by non-biological sources, say astrobiologists.

What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Scientists combined lab radiation experiments, mathematical modeling and Curiosity data to ‘rewind the clock’ about 80 million years — the length of time the rock would have ...

A scientist at the University of Glasgow has delved into the possible existence of massive hypothetical energy-harvesting structures called Dyson spheres. In a new study, they showed that both stellar ...

Elon Musk discussed his views on whether aliens exist during a discussion at the World Economic Forum in Davos, Switzerland. Newsweek reached out to Musk’s company SpaceX for additional comment via ...

A financial crisis could be triggered by an announcement that aliens exist, according to Helen McCaw, a former policy expert of the Bank of England. McCaw told The Times of London that politicians and ...

Ancient shoreline features hint that water on Mars once formed a vast ocean. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

Here’s how a report on alien abductions in the United States begins: “Most alien abduction stories begin quietly — a strange light, a missing moment, something that feels off.” Sounds like something ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...