Perseverance rover marks 1 Mars year on Red Planet By Mike Wall published 6 January 23 NASA's Perseverance rover is wrapping up its prime mission after 687 Earth days on the Red Planet.
Is there life on Mars? A NASA scientist explains in new video By Robert Lea published 30 December 22 NASA astrobiologist Heather Graham answers pressing questions about life on Mars.
Detecting life on Saturn moon Enceladus would require 100 flybys through its geyser plume, study suggests By Sharmila Kuthunur published 30 December 22 Detecting life on the icy Saturn moon of Enceladus could be achieved without even landing, but it wouldn't be easy, scientists say.
9 alien planet discoveries that were out-of-this-world in 2022 By Charles Q. Choi published 27 December 22
10 things we learned about UFOs and aliens (or the lack thereof) in 2022 By Robert Lea published 26 December 22 From investigating UFOs over Earth to using the most powerful telescope ever devised to peer into the atmosphere of alien worlds, 2022 has been a banner year in the search for extraterrestrial life.
One of the world's largest lasers could be used to detect alien warp drives By Ben Turner published 23 December 22 Scientists have proposed another use for the world's largest gravitational wave observatory: scanning for the ripples in space-time left in the wake of gargantuan alien spaceships.
James Webb Space Telescope meets the 7 intriguing exoplanets of TRAPPIST-1 By Jamie Carter published 22 December 22 A non-descript star, TRAPPIST-1, is host to seven Earth-size planets and the James Webb Space Telescope is giving astronomers a thrilling new view of these worlds.
Europa's icy crust may let more material into hidden ocean than thought By Sharmila Kuthunur published 20 December 22 New research shows that even smaller impacts can warm and soften enough ice on Jupiter's moon Europa to send material sinking into the underlying ocean.
Why haven't aliens contacted Earth? New Fermi Paradox analysis suggests we're not that interesting yet By Paul Sutter published 20 December 22
Perseverance Mars rover to start caching samples for future return to Earth By Mike Wall published 16 December 22 NASA's Perseverance rover is set to cache its first Mars sample in the next few days, kicking off a roughly month-long process that will see the robot drop 10 tubes of Red Planet material.
Astronomers discover strange twin alien planets might be water worlds By Meghan Bartels published 15 December 22 Two planets found by NASA's retired Kepler Space Telescope may be made mostly of water, according to new research.
At a powerful radio telescope, the hunt for signals from intelligent extraterrestrial life is on By Robert Lea published 8 December 22 As part of the Breakthrough Listen project, the MeerKAT radio telescope will search a million nearby stars for signals from technology that could indicate intelligent extraterrestrial life.
Gamma-rays may have helped meteorites seed Earth with the building blocks of life By Robert Lea published 7 December 22 New research solves the puzzle of how amino acids formed within space rocks that bombarded Earth during the violent early epoch of the solar system.
UFOs 101: Hype, uproar, disinformation and mystery: 'Here we are again.' By Leonard David published 2 December 22 UFOs are making headlines again, but lost in the hype and ruckus is the question of when this all started and how we got to this point.
Here's how NASA and Europe will bring Mars samples back to Earth (video) By Andrew Jones published 1 December 22 A new video shows how a team of NASA and European Space Agency spacecraft plan to relay Martian rock samples to Earth.
Search for possible sign of life in Venus' clouds comes up empty By Andrew Jones published 30 November 22 The aircraft-borne SOFIA telescope could not find signs of a compound possibly linked to biological activity during observations of Venus' atmosphere.
James Webb Space Telescope reveals alien planet's atmosphere like never before By Tereza Pultarova published 22 November 22 The James Webb Space Telescope has revealed an exoplanet's atmosphere in unprecedented detail, allowing scientists to understand the planet's past and test methods for detecting alien life.
Surprise finding at Arctic vent site could help in the search for extraterrestrial life By Sharmila Kuthunur published 21 November 22 A vent deep under the Arctic ice is surprisingly similar to what may occur on Saturn's icy moon, Enceladus.
3.5 billion-year-old rock structures are one of the oldest signs of life on Earth By Stephanie Pappas published 14 November 22 Fossils called stromatolites from Western Australia were created by microbes 3.48 billion years ago.
Wow! Geminid Meteor Shower and Comet 46P Dazzle Skywatchers (Photos) By Hanneke Weitering last updated 11 November 22