Science

[ad_1] An asteroid is racing towards Earth’s orbit at an incredible speed of 11.20 kilometers per second. The space rock is officially known as ‘2020 UL3’ and is estimated to be 53 to 130m in size, larger than the Sydney Opera House. UL3 is an Apollo asteroid according to NASA, …

[ad_1] This illustration shows a NASA Mars Ascent Vehicle concept that carries samples in the orbit of Mars. NASA / JPL-Caltech It is one thing to send a spacecraft to Mars. Another is to land on the surface, collect some pieces of the planet and then bring them back to …

[ad_1] Thermoelectric materials can transform a temperature difference into electricity. Organic thermoelectric materials could be used to power wearable electronics or sensors; however, the output power is still very low. An international team led by Jan Anton Koster, professor of semiconductor physics at the University of Groningen, has now produced …

[ad_1] The bigfin squid has tentacles that extend over 5 feet. CSIRO / Osterhage et al. At CNET Science, we tend to focus a lot on worlds and life beyond Earth. We love space. The hellish lava planets is the icy moons of our solar system they are intriguing and …

[ad_1] A test of the SpaceX Falcon 9 rocket briefly fires first-stage engines atop Pad 39A at NASA’s Kennedy Space Center in Cape Canaveral, Florida on November 14, 2020. The rocket will launch the crew-1 astronaut mission for the NASA on November 14. (Image credit: NASA / Joel Kowsky) CAPE …

[ad_1] Our knees are very prone to age-related or wear-related injuries, which often leads to the need for surgery. Now, the researchers have created biological attributes that can be used for 3D printing structures to replace damaged knee cartilage. In a study validating a new concept, researchers from the Wake …

[ad_1] Scientists have discovered a huge lake bed hidden deep beneath Greenland’s thick ice sheet. The lake would have covered 2,700 square miles, although it’s hard to say how old the lake really is. Sediment analysis would reveal the age of the lake, but it would take a lot of …

[ad_1] To update: SpaceX activated the new Falcon 9 booster B1061 after loading the entire two-stage rocket with liquid oxygen and kerosene propellant (RP-1), verifying the vehicle’s flight readiness and – awaiting confirmation of a successful test – maintaining the operational launch of the Crew Dragon astronaut runway debut for …

[ad_1] The bigfin squid (Magnapinna) is one of the most elusive creatures we know. It inhabits the dark depths of the ocean and is an extremely rare sight, with only a dozen confirmed sightings worldwide. Now, for the first time, black tip squid has been seen off the coast of …

[ad_1] The so-called Permian Extinction or Great Dying was the largest cataclysm that affected life on our Earth by 4.5 billion years. In total, there have been five major extinction events in the past 450-600 million years, including an asteroid attack 66 million years ago. But the Permian event takes …