Science Space.com

A rare nova ignites a 'new star' in the sky this year. Here's how to see it
Russia and China announce plan to build shared nuclear reactor on the moon by 2035, 'without humans'
Mars attracts: How the Red Planet influences Earth's climate and seas
You could win a chance to watch 2024's total solar eclipse from a jet. Here's how
Watch 'horned' comet 12P/Pons-Brooks zoom past the Andromeda Galaxy live today (video)
CNN explores NASA's Columbia shuttle tragedy in riveting docuseries (video)