Reference Carl Sagan was a scientist and educator best known for his TV series Cosmos, the Pale Blue Dot image of Earth and quotes about life and Earth.
Reference Learn how our solar system formed, how it was discovered and the names of the planets, dwarf planets and regions of space that orbit our sun.
Reference Most stars in the universe will eventually burn off all of their hydrogen and become dead husks called white dwarfs.
Scientists have calculated that Earth is 4.54 billion years old, with an error range of 50 million years.
The first detected quakes on Mars suggest that the Red Planet has a larger core, potentially thinner crust and slightly different composition than scientists had thought.
Yes, the moon rotates on its axis. The moon's rate of rotation nearly matches its orbital period, which keep the same side facing Earth.
Albert Einstein's theory of general relativity is based on the idea that massive objects cause a distortion in space-time, which is felt as gravity.
NASA's Perseverance rover isn't just exploring the Red Planet. The life-hunting robot will also help a little bit of Mars make it to Earth a decade or so from now, if all goes according to plan.
Stars snacking on their companions outside the Milky Way have been precisely mapped and measured for the first time.
Delays, many related to COVID, have pushed the first flight of the Dream Chaser space plane to 2022.
New Horizons' historic flyby of the KBO 2014 MU69, also known as Arrokoth, has revealed incredible insights about the birth of the solar system.
Students across the United Kingdom grew seeds that spent six months in space to learn how they would grow once back on Earth.
The Perseverance rover, the centerpiece of NASA's Mars 2020 mission, will pick up Curiosity's mission, searching for signs of past life but adding new technology.
In January 2020, Space.com had the chance to get up close and personal with the Daniel K. Inoye Solar Telescope, the world’s largest solar telescope.
NASA astronauts may use suborbital flights as training opportunities, while human exploration of the moon could open the door to more science.
Since launch in 1990, the Hubble Space Telescope (HST) has provided amazing images that have led to discoveries. Explore Hubble's history and facts.