While climbing a crater rim, NASA's Perseverance Mars rover spotted a curious striped rock that may have rolled from farther uphill, hinting at treasures the robotic explorer has yet to find.
Space News & Blog Articles
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Blue Origin fires up 2nd stage of huge New Glenn rocket ahead of debut launch (video)
Blue Origin carried out a hotfire test for its New Glenn rocket second stage on Monday (Sept. 23) as the company moves toward the huge vehicle's debut flight.
SpaceX's Elon Musk calls on FAA chief to resign
SpaceX continues to engage the U.S. Federal Aviation Administration in a heated and very public debate over launch licensing and alleged violations.
Space Travel Weakens the Heart, New Study Finds
It’s no secret that spending extended periods in space takes a toll on the human body. For years, NASA and other space agencies have been researching the effects of microgravity on humans, animals, and plants aboard the International Space Station (ISS). So far, the research has shown that being in space for long periods leads to muscle atrophy, bone density loss, changes in vision, gene expression, and psychological issues. Knowing these effects and how to mitigate them is essential given our future space exploration goals, which include long-duration missions to the Moon, Mars, and beyond.
Where did Mars' atmosphere go? Scientists say it may be 'hiding in plain sight'
New research suggests that the atmosphere of Mars could have literally "gone to ground" as carbon dioxide was greedily slurped out of the atmosphere and locked away by Red Planet clays.
Will Comet A3 Tsuchinshan-ATLAS Shine Brighter Than Expected?
Now is the time to catch Comet A3-Tsuchinshan-ATLAS at dawn.
Hurricane Helene could yield major flooding, tornadoes and 'devastating' winds, experts warn
Tropical Storm Helene reached hurricane status on Wednesday (Sept. 25), and scientists warn that its damage could be life-threatening.
Xenomorphs infest a luxury resort in Marvel Comics' new 'Alien: Paradiso #1'
A preview of Marvel Comics’ new Alien: Paradiso miniseries arriving in December
Biosignatures Can be Made in the Lab. No Life Needed.
The most likely way we will discover life on a distant exoplanet is by discovering a biosignature. This can be done by looking at the atmospheric spectra of a world to discover the spectral pattern of a molecule that can only be created through biological processes. While it sounds straightforward it isn’t. The presence of simple molecules such as water and oxygen don’t prove life exists on a planet. It’s true that Earth’s atmosphere is oxygen rich thanks to life, but geological activity can also produce large quantities of oxygen. And as a new study shows, some molecules we’ve long thought to be biological in origin may not be.
How black-hole-powered quasars killed off neighboring galaxies in the early universe
Using the Dark Energy Camera, astronomers discovered that black-hole-powered quasars in the early universe lived in dense neighborhoods, but were "bad neighbors."
See Mutual Events, Close Approaches of Saturn's Moons
As Saturn's rings narrow, now's the time for its moons to shine.
Webb finds potential missing link to first stars
Looking deep into the early Universe with the NASA/ESA/CSA James Webb Space Telescope, astronomers have found something unprecedented: a galaxy with an odd light signature, which they attribute to its gas outshining its stars.
Citizen scientists bring intriguing 'hot Jupiter' exoplanet into sharp focus
Yet another faraway world has come to sharper focus thanks to the collective scientific muscle of citizen scientists.
James Webb Space Telescope finds 'puffball' exoplanet is uniquely lopsided
Using the James Webb Space Telescope astronomers have found that a strange inflated exoplanet is even weirder than they realized finding a strange asymmetry in its atmosphere.
Orzorz Galaxy Lite star projector review
The Orzorz Galaxy Lite is a star projector that rivals some of the best star projectors we've tested but is surprisingly affordable.
1 week until annular solar eclipse turns the sun into a dramatic 'ring of fire'
With just one week to go, the countdown to the annular solar eclipse on Oct. 2 is on. We're ready, are you?
NASA, SpaceX conduct prelaunch activities as Tropical Storm delays Crew-9 mission
SpaceX static fires its Falcon 9 rocket at Space Launch Complex 40 (SLC-40) in preparation for the Crew-9 mission on Saturday, Sept. 28. The test came following a dry dress rehearsal of launch activities earlier in the day. Image: Adam Bernstein/Spaceflight Now
NASA and SpaceX pushed ahead with planned prelaunch activities Cape Canaveral Space Force Station’s pad 40 on Tuesday even as the date of liftoff for the Crew-9 mission to the International Space Station had to be delayed due to expected impacts from Tropical Storm Helene.
SpaceX launches 20 Starlink internet satellites from California (photos)
SpaceX launched 20 more of its Starlink broadband satellites, including 13 with direct-to-cell capability, from California early Wednesday morning (Sept. 25).
How a Nearby Supernova Left its Mark on Earth Life
When a massive star explodes as a supernova, it does more than release an extraordinary amount of energy. Supernovae explosions are responsible for creating some of the heavy elements, including iron, which is blasted out into space by the explosion. On Earth, there are two accumulations of the iron isotope Fe60 in sea-floor sediments that scientists trace back about two or three million years ago and about five to six million years ago.
'We are close:' SETI astrobiologist Nathalie Cabrol on the search for life
Astrobiologist Nathalie Cabrol seeks answers to two key questions: Are we alone in the universe? How did life on Earth begin in the first place?
Tropical Storm Helene delays SpaceX's Crew-9 astronaut launch to Sept. 28
SpaceX and NASA have delayed the Crew-9 astronaut launch from Thursday (Sept. 26) to no earlier than Saturday (Sept. 28) due to a strengthening tropical storm.
