NASA's recent findings reveal desert-like planets, popularized in sci-fi like Dune, are unlikely to support life, even within ...

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

The resulting products were ionized; their mass-to-charge ratios were determined based on the time it took for them to reach ...

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

Life on Earth relies on carbon-based DNA, but our readers are keen to speculate about other possibilities for alien life ...

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.

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 ...

These exoplanets (planets orbiting a star other than our sun ... warm is considered by scientists as essential in the hunt for life because only planets that are in this zone could potentially ...

But what if other environments ... and structures can mimic the planetary conditions that enable life without the planet. They can let light in for photosynthesis while blocking UV light.

So far, at least, the only one which we know for certain to be habitable is Earth – but that doesn’t mean that other life-bearing planets can’t be out there. The search for these other ...

There is also concern that K2-18b's size and gravity would make it difficult for the world to support life. Other critics suggest that the planet should not be classified as a super-Earth ...