Why are we still searching for intelligent alien life? By Paul Sutter published 9 November 21 Humans have scanned and searched the heavens for signs of other advanced civilizations in the universe. And we've found nothing. Absolutely nothing. Maybe we shouldn't focus on intelligent life.
New era of 'Great Observatories' may be coming for NASA By Mike Wall published 8 November 21 The four original Great Observatories, which launched between 1990 to 2003, provide a good example to follow.
Astronomers target habitable exoplanets, black holes and inclusivity as top priorities for next decade By Mike Wall published 4 November 21 The newly released astronomy and astrophysics decadal survey flags the discovery and study of habitable exoplanets and the exploration of black holes and neutron stars as two top research priorities.
NASA scientists propose new 'alien life evidence' scale By Elizabeth Howell published 1 November 21 As the search for alien life heats up, scientists may need to step up their reporting game a bit.
SETI: Why extraterrestrial intelligence is more likely to be artificial than biological By Martin Rees published 31 October 21 Is there intelligent life elsewhere in the universe?
UFOs and UAP: History, sightings and mysteries By Mike Wall published 29 October 21 REFERENCE Read on for a brief history of UFO sightings, potential explanations for them, and cultural attitudes toward the phenomenon.
Mysterious radio signal from Proxima Centauri was definitely not aliens By Charles Q. Choi published 26 October 21 Potential evidence of extraterrestrial radio signals from Proxima Centauri, the closest star to Earth, were likely just interference from human technology, researchers say.
Perseverance rover confirms existence of ancient Mars lake and river delta By Mike Wall published 7 October 21 Photos snapped by Perseverance show that Jezero Crater did indeed host a large river-fed lake in the ancient past.
Mars: What we know about the Red Planet By Charles Q. Choi published 1 October 21 Learn about planet Mars’ atmosphere, water supply and the possibility to support life, plus findings from the various Mars rover missions.
Mars was always too small to hold onto its oceans, rivers and lakes By Mike Wall published 20 September 21 Mars was doomed to desiccation by its small size, a new study suggests.
NASA's Perseverance rover has taken the 1st steps in decades-long dream of Mars sample return By Meghan Bartels published 10 September 21 NASA's Perseverance rover on Mars has begun its out-of-this-world rock collection.
Perseverance rover collects 2nd Mars sample (photos) By Mike Wall published 9 September 21 Perseverance collected another drilled-out core of a Martian rock dubbed "Rochette," sealing the sample in its designated titanium tube on Wednesday (Sept. 8).
NASA's Perseverance rover getting ready to snag 2nd Mars sample By Mike Wall published 8 September 21 Perseverance sealed up a drilled-out core of a Red Planet rock dubbed "Rochette" over the weekend. The mission team aims to replicate that success soon, putting poor Rochette to the drill again.
Perseverance rover seals up 1st Mars sample for future return to Earth By Mike Wall published 7 September 21 It's official: NASA's Perseverance rover has collected its first-ever Mars sample.
NASA's Perseverance rover drills 1st Mars rock sample for an (eventual) return to Earth By Mike Wall published 3 September 21 Perseverance has likely snagged its first-ever Red Planet sample, socking away a drilled-out core of a rock dubbed "Rochette."
Mars rover Perseverance set for 2nd sample-collection attempt (photo) By Mike Wall published 1 September 21 NASA's Perseverance rover is on track to collect its first-ever Mars sample in the next few days.
Perseverance Mars rover gearing up for 2nd rock sampling attempt (photos) By Mike Wall published 27 August 21 Perseverance could drill and sample a rock target dubbed 'Rochette' as early as next week.
Alien life could thrive on big 'Hycean' exoplanets By Mike Wall published 25 August 21 The search for alien life should broaden its horizons a bit, a new study suggests.
The new reality of UFOs: An interview with journalist Leslie Kean By Leonard David published 24 August 21 Space.com recently caught up with author and journalist Leslie Kean to discuss UFOs and where research into the puzzling objects is heading.
NASA's 1st attempt to collect Mars samples with Perseverance rover comes up empty By Mike Wall published 6 August 21 Perseverance drilled its first sample-collecting hole on Friday (Aug. 6), but data beamed back to Earth by the rover indicate that no Mars rock or dirt made it into the sampling tube.
