Why do astronomers look for signs of life on other planets based on how life is on Earth? Couldn’t there be totally different kinds of life on other planets? – Henry, age 13, Somerville ...

According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

Where is all the water that may form oceans on distant planets and moons? The SPHEREx astrophysics mission will search the galaxy and take stock.

Plate tectonics give rise to Earth's mountain ranges, earthquakes and the long-term movement of continents, and may even have provided the right conditions for life on Earth. But as far as we know ...

Their mission could "change the way we look at the possibility of life on other planets too," the researchers say. The initial discovery confounded marine scientists. It was previously accepted ...

This would render half the planet too hot for life, the other half too cold. The midline, though, might be temperate enough for life. As it happens, there’s a rocky planet, called Proxima ...

These include the Extremely Large Telescope, Habitable Worlds Observatory, and the Large Interferometer For Exoplanets (LIFE ... other scientists can tell us about this newly discovered planet ...

Trying to find that radio signal that will prove that there is. Intelligent life somewhere else in the cosmos. Other organizations besides SETI use radio telescopes to scour the sky looking for ...

Alien lifeforms living in oceans on other planets could remain hidden from spacecraft, suggests new research. Searching for ...

Finding this organic material on Benu means that the building blocks of life could have come from an asteroid, and in our ...