Chinese scientists discovered aliens? Not so FAST

“Extraordinary claims require extraordinary evidence.” Carl Sagan (Cosmos, 1980) This phrase is the standard that astronomers will be applying to a curious signal captured with China’s “Sky Eye” telescope that might be a transmission from alien technology. An article reporting the signal was posted on the website of China’s state-backed Science and Technology Daily newspaper …

When Will Humanity Become a Kardashev Type I Civilization?

There are several ways we can measure the progress of human civilization. Population growth, the rise and fall of empires, and our technological ability to reach for the stars. But one simple measure is to calculate the amount of energy humans use at any given time. As humanity has spread and advanced, our ability to …

No, we didn’t find a more habitable planet than Earth

Discovered on January 6, 2015, Kepler-442b is a near-Earth-sized exoplanet. Most probably it is a rocky planet and it orbits its star, Kepler-442, within the habitable zone. According to some sources, including Wikipedia, it is an even more habitable planet than Earth. But, that’s not the case, and this claim is just an inaccurate interpretation …

Search for Life Beyond Earth: Developing a Guidebook

Are we alone in the universe? Searching for life beyond our Solar System is one of the most ambitious efforts humans have ever undertaken. Because we do not have the ability to travel to distant exoplanets, scientists must rely on indirect clues that could help us find extraterrestrial life. Dr. Edward Schwieterman and his colleagues …

You’ll be amazed how cramped the TRAPPIST-1 System is

Science writer Pat Brennan has published a great article on the NASA exoplanets website titled “Life in the Universe: What are the Odds?”. In the article, he published a diagram showing the habitable zones of our solar system, and the TRAPPIST-1 system. The amazing thing is how cramped the TRAPPIST-1 system is: the orbits of …

Has Earth been visited by an alien spaceship? Harvard professor Avi Loeb vs everybody else

A highly unusual object was spotted traveling through the solar system in 2017. Given a Hawaiian name, ‘Oumuamua, it was small and elongated – a few hundred meters by a few tens of meters, traveling at a speed fast enough to escape the Sun’s gravity and move into interstellar space. Simon Goodwin, University of Sheffield

Perseverance Rover Touchdown Photo on Mars – and its first full-color look

A car-sized rover touching down on another planet! NASA has published an amazing photo of the Perseverance Rover touchdown on Mars. For the first time in history, we have a photo of a rover’s touchdown on another planetary body.