Explore astronomy, NASA missions, planets, galaxies, the Moon, the Solar System and discoveries that expand our understanding of the universe.
8,698 published items in this category and its subcategories.
Human spaceships are not the first victims of undead monsters. They still often smuggle tickets to other Earth creatures when they need to travel far.
In parallel with the plasma punch that ignited Earth's northern sky recently, the Sun also blasted its nearest planet - Mercury - with a plasma tsunami.
Samples from the Moon brought back by China's Chang'e-5 probe have helped researchers better understand the impact of latitude on space weather.
Massive gravitons may have formed a trillionth of a second after the Big Bang, with an excess large enough to form dark matter.
The company Green Launch is developing a device to launch objects into orbit at supersonic speeds using only a mixture of hydrogen and other gases.
With 10 to 15 times stronger than NASA's Kepler telescope, the new Chinese satellite will find exoplanets in the habitable zone of a Sun-like star.
The US Space Command, after 3 years of review, announced the existence of an object with a speed of 58,333 meters per second!
An image more than 13 billion years ago from an ancestor of monstrous black holes was captured by the NASA/ESA Hubble Space Telescope.
The Hubble Space Telescope photographed the largest comet ever recorded, helping astronomers calculate its enormous size.
At speeds of up to millions of miles per hour, the fireball originating from the sun's dead sunspot is forecast to collide with Earth's atmosphere on April 14.
Six super telescopes have focused on Earth's coldest and most mysterious brother and discovered very strange things are happening on this planet.
Cosmic relic from another dimension may be the invisible ghostly particles that make up the so-called dark matter that scientists around the world are pursuing.
A fireball that ignited over Papua New Guinea in 2014 was a fast-flying object from another star system, according to a recent announcement by the US Space Command (USSC…
US space launch service provider Rocket Lab is intending to implement a 'crazy' plan to pick up a booster rocket when the vehicle launches back to Earth from space.
If people can go out and observe the Universe, then what shape will the Universe have and will the Universe have limits?