On This Day in Space! Dec. 8, 1990: Jupiter-Bound Galileo Probe Flies by Earth By Hanneke Weitering, Elizabeth Howell On Dec. 8, 1990, NASA's Galileo spacecraft flew by Earth on its way to Jupiter. See how it happened in our On This Day in Space video series!
Interstellar Comet Borisov Makes Closest Approach to the Sun By Samantha Mathewson It may be visible in small telescopes.
How to Find an Interstellar Comet: A Q&A with Discoverer Gennady Borisov By Meghan Bartels Gennady Borisov stunned the astronomical community earlier this year when he announced that he had spotted an interstellar comet dashing through our solar system.
Quantum Supremacy Is Unlikely, Scientist Says By Subhash Kak Google claims quantum supremacy – IBM says not so fast. One researcher explains why he doesn't see quantum computers outpacing classical computers any time soon ... and maybe not ever.
SpaceX to Launch Critical Crew Dragon In-Flight Abort Test No Earlier Than Jan. 4 By Tariq Malik The private spaceflight company SpaceX will launch a critical launch escape system test for its Crew Dragon spaceship to no earlier than Jan. 4, NASA announced Friday (Dec. 6).
Quantum Supremacy Is Unlikely, Scientist Says By Subhash Kak Google claims quantum supremacy – IBM says not so fast. One researcher explains why he doesn't see quantum computers outpacing classical computers any time soon ... and maybe not ever.
China's Huge, Alien-Hunting Radio Telescope Is Finishing Its Testing Phase By Leonard David China's giant, alien-hunting radio telescope is finishing its testing-and-commissioning phase, which has occurred over the past three years.
SpaceX to Launch Critical Crew Dragon In-Flight Abort Test No Earlier Than Jan. 4 By Tariq Malik The private spaceflight company SpaceX will launch a critical launch escape system test for its Crew Dragon spaceship to no earlier than Jan. 4, NASA announced Friday (Dec. 6).
NASA Spacewalk Schedule Squeeze May Delay Repairs on $2 Billion Cosmic Ray Detector By Elizabeth Howell With limited crew time available, NASA's fourth spacewalk to fix an ailing dark-matter experiment may have to wait.
China's Huge, Alien-Hunting Radio Telescope Is Finishing Its Testing Phase By Leonard David China's giant, alien-hunting radio telescope is finishing its testing-and-commissioning phase, which has occurred over the past three years.
Pictures from Space! Our Image of the Day By Space.com Staff A meteor blazes across the Milky Way galaxy in this colorful view from the La Silla Observatory in Chile's Atacama Desert.
China's Huge, Alien-Hunting Radio Telescope Is Finishing Its Testing Phase By Leonard David China's giant, alien-hunting radio telescope is finishing its testing-and-commissioning phase, which has occurred over the past three years.
Will 2020 Be the Year We Find Intelligent Alien Life? By Leonard David Is 2020 the celestial payoff year, in which astronomers finally confirm a "technosignature" coming from an advanced alien civilization?
It's Still Not Aliens: 'Mars Bug' Claim Could Damage the Search for Life By Chelsea Gohd A professor suggests there are bugs on Mars, but this questionable claim could hurt the search for life, experts say.
Solar Eclipse Guide 2019: When, Where & How to See Them By Hanneke Weitering The third and final solar eclipse of the year is coming up on Dec. 26. Here's a guide to when, where and how to see it.
NASA Planet-Hunting Telescope Spots Massive Burp from a Comet By Meghan Bartels Scientists have caught their best-ever look at a comet belching out ice, dust and gas — and the observations came courtesy of a mission designed to hunt for alien worlds.
Space Launch Calendar 2019: Sky Events, Missions & More By Hanneke Weitering Here's a guide to SpaceX's launch schedule, other rocket missions, astronomical events of the next year, as well as milestones for spacecraft already in travel.
'The Mandalorian' Episode 5 Visits a Well-Known World in the 'Star Wars' Universe By Scott Snowden More Easter eggs than you can shake a gaderffii stick at.
'Cosmos' with Neil deGrasse Tyson Returns in March 2020 on Fox, NatGeo Channel By Elizabeth Howell The third season of the space history series "Cosmos" will premiere on on the National Geographic Channel March 9, the network has announced.
Why Baby Yoda Won't Be Coming Home for Christmas By George Marston The Mandalorian director Jon Favreau addresses the lack of Baby Yoda toys for the holidays.
