Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

McClelland claims he is a retired NASA spacecraft operator (ScO) who worked with NASA’s Shuttle Fleet at the Kennedy Space Center in Florida from 1958 to 1992. He was involved in hundreds of NASA ...

A NASA astronaut captured a stunning sight from the space station. Chris Williams saw a bright streak of light in the upper atmosphere, which slowly split into multiple small fireballs. The brightly ...

Researchers found this material on the meteorite, which entered Earth's atmosphere moving faster than the speed of sound.

They haven’t found alien life out there yet, but following the first successful in-space DNA sequencing, astronauts have a better way to look for it. This first test was mostly just to see that DNA ...

Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by advanced autonomous robots.

The Pentagon has opened a case to investigate this 1972 NASA photo from the Apollo 17 mission on the moon. The image contains three unidentified dots above the lunar horizon. Credit: NASA / Department ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

NASA's proposed Habitable Worlds Observatory will be designed for robotic repairs instead of astronaut servicing. The telescope aims to search for Earth-like planets while allowing robots to refuel, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The Artemis III crew poses for an official portrait (from ...

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...