what’s-at-stake-in-the-cop30-negotiations?

As climate talks in Belém enter their final stretch, negotiators are working on three fronts: technical details, ministerial consultations, and Presidency-led discussions. Behind the jargon and complex frameworks lie fundamental choices for more than 190 countries – choices that could shape how the Paris Agreement, signed in 2015, is turnedContinue Reading

gas-pipeline-proposals-in-virginia-multiply-through-the-south—and-worry-community-activists

MVP’s Southgate Extension and Williams Companies’ Southeast Supply Enhancement Project are proposed in close proximity within a single North Carolina county. By Charles Paullin As plans for natural gas pipeline expansions in southwest Virginia are rapidly taking shape, proposals from two major energy firms to transport gas through the AppalachianContinue Reading

physpag-former-ec-members

Physics of the Cosmos … Physics of the Cosmos Community PhysPAG Former EC Members About Community Program Analysis Group (PhysPAG) Science Groups News & Events Cosmic Pathfinders Science Gaps Opportunities Missions Studies News & Events Resources   Former Executive Committee Members Physics of the Cosmos Program Analysis Group (PhysPAG) NameContinue Reading

open-data

Open Data The opening of the Landsat data archive in 2008 represented a foundational shift in how Earth observation data were accessed and shared. Open science is the growing movement to make scientific research, publications, data, and software accessible to everyone. The core principles of open science include transparency andContinue Reading

data-overview

Landsat Data The Landsat archive represents the world’s longest continuous record of Earth observation data, spanning over five decades of systematic global coverage since 1972. How to Access Data Data Products Calibration & Validation Earth’s Time Machine A Foundational Dataset Data Fusion Data Tutorials Overview The Landsat program has systematicallyContinue Reading

landsat-calibration-&-validation

Calibration & Validation Closely calibrated and validated data are a hallmark of the Landsat Program. For medium-resolution satellite data, Landsat is considered the “gold standard” because of the program’s tradition of rigorous, independently verified calibration that is diligently reported and documented in peer-reviewed literature. This level of calibration takes considerable effortContinue Reading

what’s-up:-november-2025-skywatching-tips-from-nasa

Mars and Mercury cozy up, the Leonids sparkle, and Saturn’s rings are…disappearing?  Mars and Mercury get close for a conjunction, the Leonid meteor shower delights, and Saturn’s rings are…disappearing? Skywatching Highlights Nov. 12: A conjunction between Mars and Mercury Nov. 16-18: Leonid meteor shower peak viewing Nov. 23: Saturn’s ringsContinue Reading

openvsp-curve-editor

OpenVSP Ground School Home OpenVSP OpenVSP Curve Editor OpenVSP Ground School Fundamentals Core Concepts Interface General Component Controls Modeling Introduction Wings Fuselages Stacks Pods Ellipsoids Bodies of Revolution Propellers Blanks Hinges Conformal Human Cross-Sections Skinning Wing Blending Wing Airfoil Modification Meshes and Point Clouds Designing Intent Component Sets Design VariablesContinue Reading

corrections-to-f.3-exoplanets-research

Explore This Section … ROSES-25 Blog Corrections to F.3 Exoplanets… Overview ROSES FAQ Solicitations ROSES Blog ROSES 2025 ROSES 2024 ROSES 2023 ROSES 2022 ROSES 2021 ROSES 2020 NAC Science Committee Team More Help & Support Advisory Committees Announcement of Opportunity Public Meetings Dual-Anonymous Peer Review Grant Stats Library andContinue Reading

nasa-fuels-discovery-from-earth-to-sky:-one-crayon-at-a-time

Explore This Section Science Science Activation NASA Fuels Discovery from… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science   6 min read NASA Fuels Discovery from Earth to Sky: One Crayon at a Time Student interns help kids color in data to learnContinue Reading

nasa-progresses-toward-artemis-ii-moon-mission

Technicians with NASA’s Exploration Ground Systems team use a crane to lift and secure NASA’s Orion spacecraft on top of the SLS (Space Launch System) rocket in High Bay 3 of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Saturday, Oct. 18, 2025, for the agency’sContinue Reading