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

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 ...

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) ...

One of the world’s greatest mysteries is how life on Earth began. Scientists have long sought to decipher where and how prebiotic molecules — those that preceded life — emerged. A new study suggests ...

Because Earth-like planets are small and cold ... be a game-changer for upcoming missions like PLATO and future concepts like LIFE, both of which aim to find and study small, cold planets.