A moon has been spotted in a star system 4000 light years away – but its structure is confusing.
Elon Musk may be disappointed by recent studies threatening his plans to go to Mars, but planetary scientists are breathing a sigh of relief.
Nearly 50 years since the first man walked on the moon, our morals are still stranded on Earth.
New research on parallel universes forces cosmologists to come to an uncomfortable conclusion.
We could find evidence of life on Europa within a couple of decades.
Using AI to search for ET might help us find things we couldn't even imagine we should look for, but to succeed we also have think critically about how we create and use that technology.
NASA and ESA have signed a letter of intent to collect samples from Mars and return them to Earth.
Scientists looking for signs of alien life from the mystery object passing through our Solar system say they've found nothing "so far".
Scientists used to think that the ocean on Enceladus would be transient, perhaps freezing after a few million years. A new study suggests this isn't the case.
Aliens are highly likely to undergo natural selection, shows new research.
The belief that ancient Egyptians needed help from supernatural beings to built the Giza pyramids relies, unavoidably, on racism and colonial attitudes.
Humanity is the real target for these recordings which continue to inspire us to better understand ourselves and our place in the cosmos.
Hardy lifeforms such as tardigrades can survive almost anything.
Cassini is about to crash into Saturn to avoid contaminating its habitable moon Enceladus.
Earth is a relatively dry planet compared to some of the other ocean worlds in our Solar system. Life needs water so what about life on these other places?
New findings make it hard to imagine a more important goal for solar system exploration than searching for microbial life in Enceladus' internal sea.
There has been much excitement this week about the possibility of water -- and life -- on some newly discovered exoplanets. But we can look closer to home for evidence of ET.
If there's life on one of the Earth's seven sisters, chances are it has spread to all of them.
Exciting new research suggests that a crater on Ceres may be a cradle of life.
Funding has been agreed for ESA's ExoMars rover, giving new hope that Europe could find life on Mars.