Science Mission Directorate

Amendment 57: D.3 AGIGO: IXPE and NICER General Observer Second Opportunity in ROSES-25

July 28, 2026

The Habitable Worlds Observatory (HWO) is a large-aperture ultraviolet/visible/near-infrared observatory concept recommended by the National Academies of Science,…

SSpace

NASA Space Telescope Maps Magnetic Fields of ‘Lighthouse’ Pulsar

July 27, 2026

The IXPE GO Program solicits proposals for investigations in any area of astrophysics (not constrained to IXPE’s prime…

SSpace

Amendment 66: B.2 Heliophysics Foundational Research Step-2 Due Date Announced and Correction

July 25, 2026

B.2 Heliophysics Foundational Research (HFR) solicits investigations that advance the fundamental physical understanding of the Sun-Heliosphere-Planetary system. The…

SSpace

NASA’s MAVEN Illuminates New Understanding of Auroras at Mars

July 23, 2026

NASA MAVEN (Mars Atmosphere and Volatile Evolution) mission scientists have uncovered a key puzzle piece in understanding certain…

SSpace

A large silver and gray space telescope sits in a brightly lit, white clean room. Team members in blue suits work on the telescope from orange mechanical lifts.

July 21, 2026

Media are invited to join NASA for a virtual news conference at 2 p.m. EDT, Wednesday, July 29,…

SSpace

Amendment 64: New Opportunity: A.15 Biosphere

July 21, 2026

NASA’s Biosphere research area focuses on research that provides foundational knowledge on interactions between and within terrestrial and…

SSpace

Amendment 63: New Opportunity: A.14 Atmosphere

July 20, 2026

The Atmosphere research program is soliciting proposals for data analysis and modeling of NASA supported airborne campaign data.…

SSpace

July 7, 2026

Following its longest hibernation period ever of nearly a year, NASA’s New Horizons spacecraft has emerged in good…

SSpace

Amendment 61: A.4 Rapid Response and Novel Research in Earth Science Final Close Date Deferred

July 3, 2026

A.4 Rapid Response and Novel Research in Earth Science (RRNES) solicits proposals that advance the goals and objectives…

SSpace

ROSES-25 A.12 HAMAQ Science Team Clarified

June 29, 2026

Hemispheric Airborne Measurements of Air Quality (HAMAQ) is a NASA-funded project under the EVS-4 program using two aircraft…

SScience

NASA's TESS Mission Reveals the “Puffiest” Planets Ever Found

June 25, 2026

Data from NASA’s TESS (Transiting Exoplanet Survey Satellite) mission has revealed two new “super-puff” planets, giant worlds so…

SSpace

June 19, 2026

NASA has selected eight new companies and will acquire new data products from six existing Commercial Satellite Data…

Amendment 68: New Opportunity: D.8 Habitable Worlds Observatory Precursor Science Investigations

Amendment 67: D.3 AGIGO: Change to IXPE and NICER General Observer Second Opportunity in ROSES-25

Amendment 66: B.2 Heliophysics Foundational Research Step-2 Due Date Announced and Correction

NASA’s MAVEN Illuminates New Understanding of Auroras at Mars

NASA to Host Media Briefing on Roman Telescope, Launching Next Month

Amendment 64: New Opportunity: A.15 Biosphere

Amendment 63: New Opportunity: A.14 Atmosphere

NASA’s New Horizons Spacecraft Wakes from Hibernation in Good Health

Amendment 61: A.4 Rapid Response and Novel Research in Earth Science Final Close Date Deferred

ROSES-25 A.12 HAMAQ Science Team Clarified

NASA’s TESS Mission Reveals the “Puffiest” Planets Ever Found

NASA Awards Contract for Commercial Satellite Data Acquisition