Humans can detect buried objects without touching them, sensing faint pressure ripples in sand. Scientists are calling this ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

When interstellar comet 3I/ATLAS made its closest approach to Earth on December 19, 2025, it did not become a spectacular object in the night ...

Comet 3I/ATLAS X-ray observations reveal hidden hydrogen and nitrogen, offering rare chemical insight into an interstellar ...

The model, developed at Carnegie Mellon University, uses Wi-Fi signal disruptions to identify possible threats. Hempfield is ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During its July 1, 2025 detection, the interstellar object happened to be moving ...

Avi Loeb reports new telescope observations of interstellar object 3I/ATLAS, describing a periodic wobble in its anti-tail and what it reveals about rotation ...

Scientists use acoustic waves and condensed matter physics to detect proteins and cancer cells, sidestepping the limits of ...

At the heart of every camera is a sensor, whether that sensor is a collection of light-detecting pixels or a strip of ...

The familiar script of planetary defence has been torn up. For decades, the globe's foremost space agencies operated under ...