The genetic tree of life suggests that the first life on Earth may have lived underwater, shielded from harmful ultraviolet light from the sun.
The redesigned NASA-European campaign will task the Perseverance rover with delivering Red Planet samples to a rocket, with the drones as backup retrieval options.
Scientists searching for signs of extraterrestrial technology should keep an eye out for city lights on exoplanets, a new study suggests.
NASA and the European Space Agency (ESA) have new details to share on how they will bring pieces of Mars to Earth, and they'll share their plans next week.
Scientists who study exoplanets explain how the James Webb Space Telescope will study exoplanet atmospheres.
Space.com reached out to UFO groups and leading experts in the field to get their thoughts on NASA's new endeavor.
Researchers suggest we may be able to use gravitational lensing to amplify radio waves, allowing us to listen in on communication signals passing through our solar system.
It's official: Russia will no longer be a partner on Europe's life-hunting Mars rover mission, which is scheduled to launch in the late 2020s.
The powerful eyes of NASA's James Webb Space Telescope are now fully open and ready to observe the cosmos.
Reference Mars, the fourth planet from the sun is famed for its rusty red appearance. Here we explore the Red Planet in more detail and see why scientists find it so intriguing.
A NASA concept mission called Mars Life Explorer would dig into Red Planet ice, hunting for signs of living organisms.
New research shows that certain protein-building amino acids that could be evidence of ancient life on Mars are more susceptible to radiation than scientists thought.
The Europa Clipper mission, due to launch in 2024, was originally supposed to crash into Jupiter, but there's been a change of plans.
Never-before-seen microbes living deep beneath the permafrost at one of the coldest and saltiest water springs on Earth could provide a blueprint for life on Mars.
Alien life in the deep global ocean of a water world could receive its nutrients through a shell of high-pressure ice around the planet's core.
The internet is abuzz with rumors that China may have picked up signals from an alien civilization. But the pings are probably just Earthly interference, experts say.
On Sunday (June 12), the car-sized Perseverance Mars rover snapped a photo that could be mistaken for a still from an "Indiana Jones" movie.
NASA hopes it can help move the study of unidentified aerial phenomena (UAP) off the scientific fringes and into the mainstream.