'Grand claims' of life on Venus lack evidence, skeptics say By Adam Mann A roundup of the various pushback and criticisms to the claim that there could be life on Venus
What if Earth had rings? By Charles Q. Choi What might Earth be like crowned with rings? Space and science- fiction illustrator Ron Miller created extraordinary images of how the sky might look if Earth possessed such rings.
The top space stories of the week! By Doris Elin Urrutia These are the top space stories this week from Space.com.
An aurora that lit up the sky over the Titanic might explain why it sank By Mindy Weisberger A geomagnetic storm that sparked spectacular aurora displays could also have contributed to the sinking of the Titanic.
Pictures from space! Our image of the day By Space.com Staff The Tarawa Atoll, a remote Pacific nation in the Republic of Kiribati, can be seen from space in this image captured by the Copernicus Sentinel-2 mission.
NASA gearing up for epic asteroid-sampling maneuver next month By Mike Wall The OSIRIS-REx probe is scheduled to pull off NASA's first-ever asteroid-sampling operation on Oct. 20, snagging precious dirt and gravel from a carbon-rich space rock called Bennu.
Are some black holes wormholes in disguise? Gamma-ray blasts may shed clues. By Charles Q. Choi Unusual flashes of gamma rays could reveal that what appear to be giant black holes are actually huge wormholes, a new study finds.
Tiny cubesat launching next year to blaze trail for NASA moon-orbiting space station By Leonard David A high-tech pioneer for NASA's moon-orbiting Gateway space station is being readied for liftoff early next year.
Where to next in the outer solar system? Scientists have big ideas to explore icy moons and more. By Meghan Bartels If you had a few billion dollars and some of the most talented space scientists and engineers in the world, where would you go?
'Giant impact' theory of moon's formation gets another boost By Elizabeth Howell Scientists have found fresh evidence in lunar rocks showing that the moon was likely formed after a Mars-sized planet crashed into the proto-Earth more than 4 billion years ago.
Space Chat with Space.com: Tune in Fridays for science, space and more! By Chelsea Gohd Today, "Space Chat" explores climate change.
Earth life may have traveled to Venus aboard sky-skimming asteroid By Mike Wall If there is indeed life on Venus, it may have come from Earth — aboard an asteroid that scooped up microbes high in our skies.
Rosetta's 'rubber ducky' comet has ultraviolet auroras By Hanneke Weitering Planets aren't the only things in the solar system with auroras. Comets can have them too, data from the European Space Agency's Rosetta mission has revealed.
Surprise! The ring around M87 galaxy's monster black hole wobbles over time. By Mike Wall The first black hole to be imaged directly is giving up even more of its secrets.
Earth may get a new minimoon — but it may just be 1960s space junk By Meghan Bartels Every once in a while, orbital trajectories and fate's gravity conspire to let Earth briefly adopt a miniature moon to join us for a few measures of our planet's constant dance around the sun.
RV-size asteroid to get closer to Earth than the moon By Laura Geggel Earth will change the direction of an asteroid that's getting awfully close this week.
What could a space telescope just for solar system science do? By Meghan Bartels To date, planetary scientists have built spacecraft and astrophysicists have built space telescopes. But the time has come to change that, some solar system researchers say.
2014 MU69: Arrokoth, the most distant object ever explored By Nola Taylor Redd New Horizons' historic flyby of the KBO 2014 MU69, also known as Arrokoth, has revealed incredible insights about the birth of the solar system.
Hello fall! Equinox kicks off autumn on Sept. 22 By Laura Geggel Going forward, the North Pole will be plunged into twilight and then darkness.
'Pi planet' alien world takes 3.14 days to orbit its star By Mike Wall Scientists have found an alien world that orbits its host star every 3.14 Earth days, a close approximation of the famous mathematical constant pi.
