Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.
For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...
While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...
Europa is one of Jupiter’s 95 moons, and, perhaps, among the planet’s most famous orbiters. It’s covered in a shell of ice ...
A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...
If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...
Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The ...