In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent analyses discount the evidence.
Tag: Extraterrestrial Life
Astronomers Detect a Signature of Life on a Distant Planet
Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even habitable.
NASA Sends a Missy Elliott Song to Space
NASA sent the song “The Rain (Supa Dupa Fly)” from a radio dish in California last week. It took 14 minutes to travel the 158 million miles.
Surprise: An ‘Extraterrestrial’ Gadget Was Something More Familiar
In 2014 a fireball from outer space was posited to be an alien artifact. A recent study suggests otherwise.
The Doomsday Clock Keeps Ticking
Are humans the only beings in the universe confronting global self-destruction? Or just the last ones standing?
Exactly How Much Life is on Earth?
According to a new study, living cells outnumber stars in the universe, highlighting the deep, underrated link between geophysics and biology.
Ufologist Claims to Show Mummified Alien Specimens to Mexico’s Congress
In a jaw-dropping presentation, a self-proclaimed ufologist showed members of Congress what he claimed were two mummified specimens of extraterrestrial beings.
On Venus, Cloudy With a Chance of Microbial Life
Astrobiologists shift their gaze, and speculations, to Earth’s broiling sister planet.
The Search for Life on Venus Could Start With Rocket Lab
Rocket Lab may be able to send a small spacecraft to probe the clouds of Venus long before NASA or other space agencies are able to do so.
Missions to Venus: Highlights From History, and When We May Go Back
Much visited in an earlier era of space exploration, the planet has been overlooked in recent decades.