New Possibilities for Life in the Strange, Dark World at the Bottom of Earth’s Ocean – And Perhaps in Oceans on Other Planets

Chimney Structure From the Sea Cliff Hydrothermal Vent Field

A chimney structure from the Sea Cliff hydrothermal vent field located more than 8,800 feet (2,700 meters) below the sea’s surface at the submarine boundary of the Pacific and Gorda tectonic plates. Credit: Photo by Ocean Exploration Trust In the strange, dark world of the ocean floor, underwater fissures, called hydrothermal vents, host complex communities … Read more

NASA’s DART Kinetic Impactor Spacecraft Launches in World’s First Planetary Defense Test Mission

First Test Mission To Defend Planet Earth

NASA’s Double Asteroid Redirection Test (DART) spacecraft sets off to collide with an asteroid in the world’s first full-scale planetary defense test mission. Riding atop a SpaceX Falcon 9 rocket, DART took off Wednesday, November 24, from Space Launch Complex 4 East at Vandenberg Space Force Base in California. Credit: NASA/Bill Ingalls Lighting up the … Read more

Black Hole Collision May Have Exploded With Light

Supermassive Black Hole Surrounded by Two Black Holes

By NASA November 28, 2021 This artist’s concept shows a supermassive black hole surrounded by a disk of gas. Embedded in this disk are two smaller black holes that may have merged together to form a new black hole. Credit: Caltech/R. Hurt (IPAC) In a first, astronomers may have seen light from the merger of … Read more

Magnificent View of Kainji Lake, Nigeria From Space

Magnificent View of Kainji Lake, Nigeria From Space

Image of Kainji Lake, a reservoir on the Niger River in western Nigeria, captured by the Copernicus Sentinel-2 mission on November 11, 2020. Credit: Contains modified Copernicus Sentinel data (2020), processed by ESA, CC BY-SA 3.0 IGO Kainji Lake, a reservoir on the Niger River in western Nigeria, is featured in this true-color image captured … Read more

Shifting Colors for On-Chip Photonics To Power Next Generation Quantum Computers and Networks

Shifting Colors for On-Chip Photonics To Power Next Generation Quantum Computers and Networks

By Harvard John A. Paulson School of Engineering and Applied Sciences November 28, 2021 In the top device, two coupled resonators form a figure eight-like structure. Input light travels from the waveguide through the resonators, entering as one color and emerging as another. The bottom device uses three coupled resonators: a small ring resonator, a … Read more

Almost 30% Efficiency for Next-Generation Tandem Solar Cells

Almost 30% Efficiency for Next-Generation Tandem Solar Cells

The world record cell (here in front of the electron storage ring BESSY II) has an area of about one square centimetre, a typical lab size. Credit: Amran Al-Ashouri /HZB Three HZB teams led by Prof. Christiane Becker, Prof. Bernd Stannowski and Prof. Steve Albrecht have jointly managed to increase the efficiency of perovskite silicon … Read more

Hubble Space Telescope Finds Flame Nebula’s Searing Stars May Halt Planet Formation

Flame Nebula

By NASA’s Goddard Space Flight Center November 28, 2021 Credit: NASA, ESA, and K. Stapelfeldt (Jet Propulsion Laboratory); Processing; Gladys Kober (NASA/Catholic University of America) The Flame Nebula or NGC 2024 is a large star-forming region in the constellation Orion that lies about 1,400 light-years from Earth. Hubble studied this nebula to look for protoplanetary … Read more

Is NASA Aware of Any Earth-Threatening Asteroids? [Video]

Near Earth Asteroid Illustration

Is NASA aware of any Earth-threatening asteroids? Luckily there are no known asteroid threats to Earth for at least 100 years. But that doesn’t mean we’re not looking. Asteroid expert Davide Farnocchia of NASA’s Jet Propulsion Laboratory breaks it down: Video Transcript: Is NASA Aware of Any Earth-Threatening Asteroids? We Asked a NASA Scientist. No, … Read more