Giant ancient lake in Gale Crater on Mars? New study offers different view. By Mike Wall published 6 August 21 Mars' Gale Crater may not have been so wet after all, a new study suggests.
'Peas in a pod' planetary system offers nearby gems to scientists By Meghan Bartels published 5 August 21 When a rocky planet half the size of Venus, an ocean world, and perhaps a planet that could host liquid water on its surface all show up orbiting the same star, astronomers take notice.
9 years on Mars! Curiosity rover marks another anniversary By Mike Wall published 5 August 21 Since touching down on Aug. 5, 2012, Curiosity has been helping scientists better understand Mars' past habitability and how the planet has changed over time.
1 year after launch, NASA's Perseverance rover prepares to collect 1st sample on Mars By Mike Wall published 30 July 21 It's been quite an eventful year for NASA's Perseverance Mars rover.
The truth is still out there: why the current UFO craze may be a problem of intelligence failings By Kyle Cunliffe published 30 July 21 It's safe to say that UFOs, now branded UAPs, are back.
Mars' buried polar 'lakes' may just be frozen clay By Charles Q. Choi published 29 July 21 Bright reflections that radar detected beneath the south pole of Mars may not be underground lakes as previously thought but deposits of clay instead, a new study finds.
Could microbes communicate with alien species? By Predrag Slijepcevic, Nalin Chandra Wickramasinghe published 25 July 21 Are we alone in the universe?
A SpaceX Falcon Heavy rocket will launch NASA's Europa Clipper mission to icy Jupiter moon By Mike Wall published 23 July 21 NASA has picked SpaceX's heavy-lift Falcon Heavy rocket to launch the Europa Clipper mission to Jupiter's icy moon.
Europe's Mars orbiter finds no trace of methane on Red Planet By Tereza Pultarova published 22 July 21 The European/Russian Trace Gas Orbiter found no signs of gases related to the existence of life in the atmosphere of Mars, according to three recently published studies.
NASA's Perseverance rover is ready to hunt signs of life on Mars. See the 1st science results today. By Meghan Bartels published 21 July 21 Even as NASA's Mars helicopter Ingenuity has captured the imagination with flight after flight on the Red Planet, the chopper's rover companion has been hard at work doing science.
The search for alien life By Mike Wall published 19 July 21 Here's a look at where the hunt for aliens has been and where it's headed.
A lander on Jupiter's icy moon Europa may have to dig at least 1 foot down to find signs of life By Mike Wall published 13 July 21 Robots may have to dig relatively deep on Jupiter's ocean moon Europa to have a shot of finding signs of alien life, a new study suggests.
Methane in plume of Saturn's moon Enceladus could be sign of alien life, study suggests By Mike Wall published 7 July 21 The methane wafting from Enceladus may be a sign that life teems in the Saturn moon's subsurface sea, a new study reports.
Europe's ExoMars parachute still experiencing problems in drop test By Tereza Pultarova published 2 July 21 One of the main parachutes of the European ExoMars rover has suffered damage during the latest high altitude drop test, which took place a little over a year before the mission's scheduled launch.
Mars methane mystery may be starting to clear up By Mike Wall published 1 July 21 Scientists now seem to understand why the gas has been detected at ground level on Mars but not higher up in the air.
Up in the air! US government's UFO report stirs range of reactions By Leonard David published 28 June 21 The release of the U.S. government's highly anticipated UFO report has whipped up a blend of reactions, from UFO groups to individuals in military, academic and scientific circles.
No hope for life in Venus clouds, but maybe on Jupiter, study suggests By Tereza Pultarova published 28 June 21 Life in the clouds of Venus is impossible due to the extremely low amount of water despite last year's findings suggesting the presence of organic material.
Mars may have dozens of lakes beneath its south pole By Mike Wall published 28 June 21 Much more liquid water may lie beneath Mars' south pole than scientists had thought — or there may be something going on down there that they don't fully understand.
UFO sightings remain mysterious, US government report says By Mike Wall published 26 June 21 The U.S. government needs some more time to get to the bottom of the UFO mystery.
How to calculate the odds that an alien spaceship has been spotted By Anders Sandberg published 23 June 21 The US military has released previously classified photos and films related to unidentified flying object (UFO) sightings, which mostly show something blurry moving strangely.
