The Pacific Ocean spans over 63 million square miles, larger than the total landmass of… Does the Pacific Ocean cover more surface area than all the continents combined?
Carbon dioxide (CO₂) is a gas in the air that helps keep our planet warm,… Is global warming real?
Similar to other planets, Earth has a spherical shape. Scientific evidence overwhelmingly confirms that the… Is the Earth round?
The Sun, a 4.5 billion-year-old yellow dwarf star, is a massive, glowing sphere of hydrogen… Is the Sun a star?
The heliocentric model, proven by Copernicus, Kepler, and Galileo, shows that Earth orbits the Sun… Does the Earth orbit the Sun?
In 2006, the IAU reclassified Pluto as a “dwarf planet” due to its inability to… Is Pluto classified as a dwarf planet?
The Apollo 11 mission successfully landed on the Moon, with extensive photographic, video, and physical… Did humans land on the Moon in 1969?
The observable universe is finite, but whether it extends infinitely is unknown. Scientists estimate that… Is the universe infinite?
Overwhelming evidence, including Moon rocks, independent tracking, and follow-up missions, confirms the landings were real.… Was the moon landing faked by NASA?
No confirmed large planet beyond Neptune threatens Earth, though theories persist. The idea of Planet… Is there a “Planet X” (Nibiru) that could affect Earth’s orbit?
The multiverse theory suggests parallel realities, but no direct proof exists. The idea of parallel… Are there parallel universes?
Some believe in advanced space programs, but no concrete proof has surfaced. Many stories and… Has a secret space program operated outside of public knowledge?
No confirmed evidence supports claims of alien buildings, though unusual formations exist. Scientists and space… Are there extraterrestrial structures on the Moon or Mars?
Most evidence suggests a comet or asteroid explosion caused the blast, though no impact crater… Was the Tunguska explosion in 1908 caused by an extraterrestrial object?
Observational data suggest dark matter constitutes around 85% of the universe’s mass. Scientists have discovered… Does dark matter make up most of the universe’s mass?
Evidence of riverbeds, lake deposits, and ice caps confirms Mars once had liquid water. Scientists… Was there once liquid water on Mars?
General relativity allows for time dilation, but no evidence supports backward time travel. According to… Is time travel to the past physically possible?
The Big Bang Theory, supported by cosmic microwave background radiation and galaxy expansion, strongly suggests… Did the universe have a definitive beginning?
While the rainforest plays a role in oxygen production, much of the oxygen is reabsorbed… Does the Amazon Rainforest produce 20% of the Earth’s oxygen?
This is a myth; astronauts confirm that the Wall is not visible from the Moon… Is the Great Wall of China visible from the Moon with the naked eye?
While robotic missions have explored Mars, no human has physically landed there yet. Over the… Has a human ever set foot on Mars?