The speed of sound is not constant. It varies based on the density and temperature of the medium through which it travels. Sound travels fast when the medium is dense. Scientists recently confirmed … [+1642 chars]
There may be an arctic ocean under Europa’s frozen crust where saltwater is delivering oxygen, which might help support extraterrestrial biology, reported a group of experts. In their model, oxygen … [+1719 chars]
University of Sydney scientists have used the geological record of the deep sea to discover that past global warming has sped up deep ocean circulation. This is one of the missing links for predictin… [+4122 chars]
Astronomers are spotting near-Earth objects more frequently. NASA The same astronomer who recently discovered a small asteroid just a few hours before it smashed into our atmosphere has spotted ano… [+1384 chars]
The commercial spaceflight company Axiom Space is cleared to launch the world's first all-private mission to the International Space Station in April, but only after a critical test of NASA's new Ar… [+6112 chars]
The thin layer of dust on the surface of Chinas Mars rover will not affect its exploration capacity, the countrys space authorities said, as newly released high-resolution photos showed evidence of d… [+3129 chars]
Young children are not just cheeky monkeys it turns out they actually laugh like chimpanzees, too. That's because both babies and chimps chuckle while inhaling and exhaling, unlike adult humans who … [+3545 chars]
In the first year of its scientific operations, the James Webb Space Telescope will study small galaxies orbiting the Milky Way, look for the oldest stars in the universe or peer inside mysterious re… [+4458 chars]
The European Space Agency may seek closer ties with NASA on its upcoming missions, especially the ExoMars rover, after it became clear ESA needed "to sever" its ties with Russia, the agency's directo… [+2898 chars]
An artist’s interpretation of liquid water on the surface of the Europa pooling beneath chaos terrain. Credit: NASA/JPL-Caltech Salt water within the icy shell of Jupiter’s moon Europa could be tran… [+4928 chars]
Deep-sea creatures come in all shapes and sizes. But whether these ocean dwellers look downright frightening or perfectly adorable, they never fail to be interesting. Deep-sea creatures live in a com… [+1930 chars]
Still image from a Thesan simulation showing the universe 251 million years after the Big Bang. The orange halos represent the burst of radiation, or light, outpouring from early galaxies. Credit: Th… [+5509 chars]