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 ...

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

What if we could turn Mars into a second Earth? A group of scientists is revisiting this audacious idea with new eyes, armed ...

The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable planets. Future observatories will use the data to narrow down the list for ...

The hunt for habitable worlds has become a hot topic in astronomy. For decades, the search has been focused on planets in the ...

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

NASA’s MAVEN finally sees sputtering—an escape process that stripped Mars of its atmosphere and ancient water.

When searching for life in the Universe (aka. astrobiology), scientists use strategies that go by various names. For example, ...

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

Methyl halides, detected in space, are key biosignatures in the search for extraterrestrial life, indicating potential ...