Science Space.com

Dark energy remains a mystery. Maybe AI can help crack the code
Pentagon UFO office finds 'no empirical evidence' for alien technology in new report
These Lego Ideas SLS rocket, Kerbal Space Program and 'The Martian' concepts are incredible, and we hope they get made
Here's how to see 'horned' comet 12P/Pons-Brooks in the night sky this month (video)
NASA astronaut Tracy C. Dyson 'super-pumped' for 3rd space mission (exclusive video)
'Space: The Longest Goodbye' is an intimate glimpse at how astronauts cope with isolation (review)