When the Sun runs expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer ...

With 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.

In about 4.5 billion years, the Sun will enter its red giant phase, swallowing Mercury and Venus and rendering Earth ...

It was a simple question asked over lunch in 1950. Enrico Fermi, the Nobel Prize-winning physicist who helped usher in the ...

A super-Earth with extreme climatic conditions has been identified 2,472 light-years from our planet. This world, named ...

NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres.

This story is the first article of a two-part Mongabay mini-series exploring possible climate futures. Read Part One.

In the long and torturous characterization of exoplanets that might harbor life, AI should make a real difference, says a dynamic young astrophysicist.

Another summer, another series of hot gaming showcases. These are the space and sci-fi video games that caught our attention ...

The Global Environmental Outlook (GEO), compiled by the member states of the United Nations, reports on a range of planetary disasters, including coral reef bleaching, species loss, wildfires, extreme ...