Ice volcanoes on Pluto may still be erupting By Rebecca Sohn last updated 1 April 22 An area of Pluto that researchers think was formed from the eruption of ice volcanoes is unique on the dwarf planet and in the solar system, a new study suggests.
NASA's new James Webb Space Telescope will be able to sniff out methane. Here's how to tell if it's a sign of life. By Stefanie Waldek last updated 29 March 22 The first whiff that humans catch of life beyond Earth might be methane, but scientists will need to tread carefully before declaring a discovery based on the chemical.
Perseverance rover's Mars samples now won't make it to Earth until 2033 at best By Mike Wall published 28 March 22 The NASA-ESA campaign to haul Mars samples back to Earth will require two Red Planet landers instead of one. The change will delay the arrival of samples here by two years, to no earlier than 2033.
Odd circular shape beneath the ocean in Google Earth images is probably not aliens By Stephanie Pappas published 24 March 22 A circular shape on the seafloor visible on Google Earth is raising cries of "UFO," but chances are … it's not aliens.
What would an alien 'Earth' look like around the star next door? By Chelsea Gohd published 16 March 22 In a new study, researchers predict what an alien "Earth" could really look like, and how it could evolve (if one exists).
NASA's Perseverance Mars rover nabs 8th rock sample on the Red Planet By Elizabeth Howell last updated 15 March 22 NASA's top-notch Red Planet geology rover is moving on to explore an ancient river delta now that its eighth rock sample is secured for future analysis.
Could Mars ever have supported life? This NASA challenge wants your help to find out By Elizabeth Howell published 12 March 22 A new competition with HeroX asks for innovative ways to analyze data gathered on the Red Planet.
An Earthlike planet may be orbiting in a dead star's 'habitable zone' By Elizabeth Howell published 9 March 22 Planetary debris, including some objects the size of moons, may hint at a rocky exoplanet within the habitable zone of a dead star, a new study suggests.
NASA's Mars rover Perseverance snags 7th Red Planet rock sample By Mike Wall published 8 March 22 Perseverance just socked away another Martian rock sample, the seventh that it has collected since landing on the Red Planet in February 2021.
Should we be looking for intelligence on a planetary scale? By Matt Williams published 25 February 22 According to new research led by the University of Rochester, the search for extraterrestrial intelligence (SETI) should be broadened to look for signs of "planetary intelligence."
Superhabitable planets: Alien worlds that may be more habitable than Earth By Charles Q. Choi published 24 February 22 Two dozen so-called superhabitable alien worlds may be as good as or better than Earth for life as we know it.
Petition calls for US government release of UFO videos By Leonard David published 23 February 22 A new petition calls for the United States government to release to the public all unclassified videos of unidentified flying objects (UFOS).
After a year on Mars, NASA's Perseverance rover is on course for big discoveries By Mike Wall published 18 February 22 NASA's Perseverance rover has been on Mars for a full year now, but in some ways the robot is just getting started.
12 amazing photos from the Perseverance rover's 1st year on Mars By Mike Wall published 18 February 22 NASA's Perseverance rover has now been exploring Mars for a full year, and it has captured some amazing photos during that stretch.
Celebrate Perseverance rover's 1-year 'Marsiversary' with these events By Mike Wall published 16 February 22 The Perseverance rover and Ingenuity helicopter are about to celebrate one year on Mars, and NASA wants you to be part of the party.
NASA picks Lockheed Martin to build rocket to carry Mars samples back to Earth By Mike Wall published 8 February 22 Lockheed Martin will build the Mars Ascent Vehicle, a small rocket that will launch pristine Red Planet samples back toward Earth a decade or so from now.
Mars rover Perseverance collects new sample after clearing pebble clog By Mike Wall published 1 February 22 NASA's Mars rover Perseverance has snagged a sample to replace the material that got stuck in its throat.
Ancient Mars' warm spells probably didn't last long By Mike Wall last updated 1 February 22 Ancient Mars was warm and wet only intermittently, a new study suggests.
2022 could be a turning point in the study of UFOs By Leonard David published 21 January 22 UAP will get more attention from both the scientific community and the federal government in 2022, experts told Space.com.
Do we live in a simulation? The problem with this mind-bending hypothesis. By Paul Sutter published 21 January 22 Does the simulation hypothesis offer a compelling argument, or is it just interesting food for thought? Let's find out.