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The Kuiper Belt is a region of leftover material from the Solar System's early history and resembles a thick disk beyond the orbit of Neptune. Beyond the Kuiper Belt is the Oort Cloud. Both the Oort Cloud and the Kuiper Belt could be sources of comets.
An Exo-Kuiper Belt in Scattered LightNov. 13, 2019
Geobiology Conference fieldtrip near Banff, Canada. Participants looked for trilobites and other organisms representing the “Cambrian Explosion”, in the Burgess Shale at several sites.
Future Investigators in NASA Earth and Space Science and Technology (FINESST)Nov. 6, 2019
An artist concept of Phoenix on Mars.
New Calibration of Humidity Data from Mars Phoenix LanderOct. 31, 2019
An artist conception of the 2020 rover on Mars. The PIXL instrument is at the end of the seven-foot extendable arm, along with two other instruments designed to (among other tasks) identify promising sites for PIXL.
PIXL: A New NASA Instrument For Ferreting Out Clues of Ancient Life on MarsOct. 28, 2019
Shimmering hot waters of a hydrothermal vent at the Von Damm vent field, Carribean Sea, Mid-Cayman RIse. Numerous shrimp are seen in the image.
Microbial Niches around Hydrothermal VentsOct. 23, 2019
Pioneer Venus Orbiter ultraviolet observations of cloud structure in Venus' atmosphere. Credit: NASA
NASA ROSES-19: Akatsuki Participating Scientist ProgramOct. 22, 2019
Meteor Crater (also known as Barringer Crater) in Arizona, United States of America.
Raining Tears from an Impact EventOct. 21, 2019
Cassini imaging scientists used views like this one to help them identify the source locations for individual jets spurting ice particles, water vapor and trace organic compounds from the surface of Saturn’s moon Enceladus. Credit: NASA/JPL
Call for Community Comments: Autonomous Robotics Research for Ocean Worlds (ARROW)Oct. 18, 2019
An artist representation of what the supercontinent Pangaea may have looked like 255 million years ago in the late Permian.
Refining Concepts of PangaeaOct. 18, 2019
Lava erupts onto the seafloor at NW Rota-1, creating a cloudy, extremely acidic plume.
Genome Sequence of a Marine AutotrophOct. 16, 2019
Illustration of what the Earth may have looked like over three billion years ago, when our planet was a very different place, but still played host to a primitive form of life.
Alternative EarthsOct. 15, 2019
Three simulation results showing that planet-planet scattering can produce extremely eccentric orbits. Star positions are marked in black.
Examining the Eccentricity of GiantsOct. 14, 2019
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