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.
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.
Plumes from Jupiter’s moon Europa could provide insights about the interior of the moon, but their deposits remain hidden.
The neutron-star merger that showered the solar system with its precious metals was fairly close and fairly recent.
Planets like Saturn's moon Titan, one of the most potentially habitable places in the solar system, could reveal their secrets to future telescopes.
Three teams of astronomers have been fascinated by an alien world known as K2-18b. But what's all the fuss about?
A new satellite will provide more detailed information about rising sea levels and other changes in Earth's oceans. Meet Sentinel-6/Jason-CS.