A Harvard professor questions whether research conducted at the University of Cambridge about life on K2-18b is accurate.

Astronomers published evidence of possible biosignatures on the planet K2-18b earlier this month, but another look at the data suggests the finding could be statistical noise ...

The prebiotic Earth was a harsh and unstable environment, characterized by intense heat, active volcanoes and little ...

On Earth, the chemicals dimethyl sulfide (DMS) and dimethyl disulfide are produced only by life, mostly microscopic marine algae called phytoplankton. The researchers emphasized caution ...

With the most advanced craft available at the moment, the time needed to reach this planet will be 194,000 years ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

World Earth Day highlights our planet's importance, mirrored in astrology where Earth stabilizes our lives. It influences ...

One of the most shared metaphors about life on Earth is the cosmic clock. It is often said that if the history of our planet were represented by a 24-hour clock, life would appear around 4:00 or 5 ...

While much remains unknown, it is intriguing that two ancient meteorite impacts, the 3.5-billion-year-old North Pole impact ...

This artist’s concept shows what exoplanet K2-18 b could look like based on science data. Illustration: NASA, CSA, ESA, J. Olmsted (STScI), Science: N. Madhusudhan (Cambridge University) ...