For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

A new study proposes that seeding the orb’s underground ocean with microbes might help us learn how to make other worlds ...

Elon Musk, a well-known advocate for sending humans to Mars, has explained why it's 'incredibly important' to make the planet ...

Of the roughly 6,000 exoplanets we’ve discovered, a significant number are in the apparent habitable zones of their stars.