The monsterous 85-mile-wide comet C/2014 UN271 isn't just the largest icy rock in the Oort Cloud, it's the second most distant that is chemically active.
NASA's Terra satellite captured huge chunks of sea ice breaking apart in Canada's Amundsen Gulf.
"We know that daytime migratory insects use the sun, so testing the starry sky seemed an obvious thing to try."
The prolific flare factory doesn't look like stopping anytime soon.
China's human spaceflight agency just conducted a crucial pad abort test for its Mengzhou spacecraft as it continues toward its goal of putting boots on the moon before 2030.
The M-class flare was accompanied by a coronal mass ejection currently forecast to land Earth with a glancing blow on June 18.
The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.
The film shows never-before-seen footage taken by the JWST film crew as the telescope was being assembled.
Space visionaries, scientists, entrepreneurs and students from around the world are set to gather in Florida next week for this year's International Space Development Conference.
This novel idea could become an important piece of a future moon economy.