A galaxy roughly 12.5 billion light-years from Earth is pumping out energy equivalent to hundreds of trillions of suns, a ...

Critical Energy is turning rocket engines into geothermal power plants, and it wants to build 300 GW per year by 2045.

Solar supplied 12.8% of U.S. electricity last month while coal accounted for 12.2%, according to a report from the clean ...

While their experiences do not tell us what an alien would eat, they do show us that leaving Earth changes the way we eat.

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...

A major challenge to dark energy, the mysterious force believed to be driving the universe's accelerating expansion, has been ...

Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of ...

Mueller, who had previously worked at Shell, had co-founded a startup focused on geothermal energy – generated from the Earth ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...