Why do astronomers look for signs of life on other planets based on how life is on Earth? Couldn’t there be totally different ...

"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." ...

Most of us are reserving judgment on whether there is intelligent life on other planets; we haven’t even found bacteria yet, much less a race of aliens with Internet service and takeout food.

However, Kepler-452b is approximately 1,800 light-years away. With current spacecraft technology, traveling to this distant planet would take millions of years, making colonization a distant dream ...

NASA's Perseverance rover finds possible signs of life on Mars, revealing organic compounds and water traces in Martian rocks ...

Scientists have discovered a new way oxygen can form in carbon-dioxide-rich atmospheres of worlds beyond our own —- challenging assumptions about how we should search for life on other planets ...

There are hundreds of millions of planets around other stars in our Milky Way galaxy ... by scientists as essential in the hunt for life because only planets that are in this zone could ...

So scientists are using different methods to see if there is life on planets other than the Earth. Space probes can explore other planets without needing astronauts. Some of the missions ...

According to research led by Shan Xi Tian and Jie Hu from the University of Science and Technology of China, a reaction between helium ions (He+) and carbon dioxide (CO2) can result in the formation ...

It is thought to be inextricably linked to habitability and perhaps an essential prerequisite for life itself ... We know of no other planet that exhibits plate tectonics: among the four rocky ...