![an astronaut in a spacesuit with a gold face shield walks on the grey dusty surface of the moon](https://cdn.mos.cms.futurecdn.net/rgTRH74MgeKb96jSFJgPgU-200-80.jpg)
What happened to the flags Apollo astronauts left on the moon?
Astronauts placed six different American flags on the moon during the Apollo program. What became of those flags in the years since, and why were they controversial?
By Victoria Corless published
A newly discovered way for oxygen to form in carbon-dioxide-rich atmospheres of exoplanets could help guide scientists' search for alien life.
By Gemma Lavender last updated
Buying Guide Here are the best telescopes for a range of different purposes and budgets — beginner to smart telescopes and everything in between. Keep your eyes peeled for Black Friday weekend deals.
By Jeff Spry published
A recap of Apple TV+'s "Silo" Season 2 Episode 9, "The Safeguard"
By Tariq Malik, Daisy Dobrijevic last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.