Learn about Methuselah, the oldest planet at 12.7 billion years old, and its significance in understanding the universe's history.
Is Earth inside a black hole? Discover why we are not and how our universe differs from black holes.
Discover the events leading up to Earth's formation, including the Big Bang and the creation of stars and galaxies.
Discover how rockets leave Earth's orbit, achieve escape velocity, and venture into space with this informative video!
Discover how fast rocket ships can travel and what it means for space missions.
Discover why NASA launches rockets eastward to maximize fuel efficiency and minimize risk to populated areas.
Discover if the 2028 asteroid will pose any threat to Earth. Get the latest facts from NASA and other space agencies.
Discover the speed needed to escape Earth’s gravitational pull and the technology behind it.
Discover how the twin paradox illustrates time dilation and special relativity. Learn the fascinating effects of near-light speed travel!
Learn about escape velocity and the speed needed to overcome Earth's gravity—11.2 km/s (25,000 mph).
Discover the Kármán line at 100 km altitude, marking the boundary between Earth's atmosphere and outer space.
Learn about Earth's exact location in our Solar System, including its distance from the Sun.
Explore how gravity decreases with distance from Earth and its impact on satellites in orbit.
Discover how atomic clocks behave in space due to Einstein's General Relativity. Learn about time, gravity, and clocks in orbit.
Explore the timeline of the Big Bang Theory, from the universe's inception to the formation of solar systems.
Discover the monumental changes in the universe since the Big Bang, from galaxy formation to the emergence of life on Earth.
Explore the journey of Voyager 1, the farthest rocket from Earth, traveling over 14 billion miles into interstellar space.
Discover how the Solar System formed 9.2 billion years after the Big Bang, including the creation of the Sun and planets.
Discover the vastness of space through a unique perspective: Earth as a grain of sand and its relative distances in the universe.
Discover the stages of a rocket launch, from ignition to orbit placement. Learn how rockets overcome gravity and efficiently ascend.
Explore the significance of April 13, 2024, as Asteroid 99942 Apophis makes a close approach to Earth. Discover observation details in this informative video.
Discover how rockets break free from Earth's gravitational pull using Newton's Third Law of Motion.
Explore the universe's composition before Earth, including the Big Bang and cosmic evolution.
Learn about the fastest thing on Earth: light traveling at 299,792 kilometers per second.
Discover why launching rockets from the equator saves costs through the Earth's rotational speed.
Explore how gravity works and whether it stops at a certain height above Earth.
Discover why rockets launch from sea level for optimal fuel efficiency and payload capacity.
Discover why rockets fly eastward and the science behind launching direction for efficient space travel.
Discover the staggering comparisons between stars in the universe and snowflakes on Earth. Learn why the cosmos is so vast!
Explore the significant impacts on Earth if the moon were absent, from tides to weather patterns.
Explore the fate of Earth in 7.5 billion years as the Sun transforms into a red giant, potentially affecting life on our planet.
Learn about the new moon phase and why the moon is not visible from Earth during this time.
Explore the impact of gamma ray bursts on Earth and ancient events. Learn more about space phenomena and their effects.
Learn about gamma ray bursts and their impact on Earth. Discover how rare and far from us they typically are.
Explore the intriguing size of Icarus, both mythologically and astronomically, as we delve into this fascinating duality.
Explore the potential impact of a gamma ray burst on Earth's survival and the rarity of such cosmic events.
Explore how gamma rays can affect Earth, including potential climate changes and biosphere disruptions.
Discover the immense energy of gamma ray bursts and their potential effects on Earth. Learn more about these cosmic phenomena.
Discover the unpredictability of gamma-ray bursts and how we would detect them if directed at Earth, with little to no warning.
Learn about gamma-ray bursts and their potential effects on galaxies and Earth.
Discover if a gamma-ray burst can vaporize a planet and the scientific implications behind it.
Explore the low risk of gamma-ray bursts affecting Earth and what astronomers are doing to monitor these rare cosmic events.
Explore the safety of Earth from gamma-ray bursts (GRBs) and learn about their impact and our natural protection mechanisms.
Discover how Earth's atmosphere protects us from gamma rays and the actual risks involved.
Explore the rarity and effects of gamma-ray bursts and their potential to impact Earth.
Explore whether gamma-ray bursts could cause extinction events on Earth. Learn the science behind GRBs and their potential threats.