Ancient Mars' warm spells probably didn't last long
Ancient Mars was warm and wet only intermittently, a new study suggests.
Ancient Mars was warm and wet only intermittently, a new study suggests.
UAP will get more attention from both the scientific community and the federal government in 2022, experts told Space.com.
Does the simulation hypothesis offer a compelling argument, or is it just interesting food for thought? Let's find out.
NASA's Curiosity rover has found some interesting organic compounds that may be signs of ancient Mars life, but much more work is needed to vet that hypothesis.
How common are ice-covered planets like Hoth from "Star Wars," and might they be capable of hosting life? As usual, the answer is, it depends.
Three billion years ago, the dusty planet we know today was a very different world.
The U.S. government will officially investigate UFOs with a new office based in the Pentagon.
reference Did a UFO really crash land at Roswell, New Mexico in 1947, only to be hushed up by the government?
A detailed new image provides a great look at the Perseverance Mars rover's Red Planet home and shows why the mission team is so excited to explore it.
During this very eventful year, two nations joined the Mars club, a robot plied Red Planet skies for the first time ever and humanity kicked off an ambitious interplanetary sample-return campaign.
A bombshell UFO report, the "alien junk" in our solar system, and more new clues about extraterrestrial life.
Astronomers have developed some clever methods of detecting tiny planets orbiting distant stars.
The universe is incredibly old, incredibly large and teeming with potentially habitable planets. So why haven't we found any sign of aliens yet?
According to conspiracy theorists, the Black Knight satellite is an alien spacecraft orbiting Earth. Here's what's really going on.
Perseverance has identified carbon-containing organic chemicals in some of the rocks it's examined on the floor of Mars' Jezero Crater.
During the development of life on planet Earth over billions of years, iron deficiency may have stimulated evolution.
If intelligent aliens visit the Earth, it would be one of the most profound events in human history.