SpaceX successfully “caught” the first-stage booster of its Starship megarocket Sunday as it returned to the launch pad after a...
In 2009, NASA intentionally crashed a spacecraft into the moon and used a small trailing spacecraft to observe the results:...
Astronomers have observed Jupiter’s legendary Great Red Spot (GRS), an anticyclone large enough to swallow Earth, for at least 150...
When lightning strikes, the electrons come pouring down. In a new study, researchers at the University of Colorado Boulder, led...
Before Earth became the blue planet, it was engulfed by a very different kind of ocean: a vast, deep magma...
Scientist Jim Wild has traveled to the Arctic Circle numerous times to study the northern lights, but on Thursday night...
Once you know where to look for them, lichens are everywhere. These composite organisms—fungal and photosynthetic partners joined into a...
The human mind may find it difficult to conceptualize: a cosmic cloud so colossal it surrounds the Sun and eight...
Researchers have used the chemical fingerprints of zinc contained in meteorites to determine the origin of volatile elements on Earth....
Astronomers have used the NASA/ESA James Webb Space Telescope (JWST) to observe the ‘inside-out’ growth of a galaxy in the...
When three massive objects meet in space, they influence each other through gravity in ways that evolve unpredictably. In a...
Reionization is a critical period when the first stars and galaxies changed the physical structure of their surroundings, and eventually...













