Solar System Exploration
By the Numbers
By the Numbers
By the Numbers
By the Numbers
Scientists have used total solar eclipses for over a century to learn more about our universe, including deciphering the Sun’s structure.
Total Solar Eclipses Shine a Light on the Solar Wind with Help from ACE
A partial solar eclipse over the U.S. Capitol on June 10, 2021, as seen from Arlington, Virginia.
Partial Solar Eclipse over the U.S. Capitol
The Sun has revealed new clues that could help scientists solve the mystery of what causes its powerful and unpredictable eruptions.
Rosetta Stone Eruption on the Sun Could Help Explain Solar Explosions
New research confirms how particles from space can be sent careening down into Earth’s atmosphere to create the aurora.
Lab Experiments Shed New Light on NASA Satellite Observations
On Feb. 12, 2021, the European Space Agency, and NASA’s Solar Orbiter imaged this coronal mass ejection.
A New Space Instrument Captures Its First Solar Eruption
After glimpsing faint but widespread super-heated material in the Sun’s outer atmosphere, a NASA sounding rocket is going back for more.
NASA Rocket Chasing the Source of the Sun's Hot Atmosphere
In 2012 Voyager 1 became the first spacecraft to enter interstellar space. Now, it's yielding new insights into what that frontier is like.
As NASA's Voyager 1 Surveys Interstellar Space, Its Density Measurements Are Making Waves
This was the first direct measurement of the Venusian atmosphere in nearly 30 years — and it looks quite different from Venus past.
NASA's Parker Solar Probe Discovers Natural Radio Emission in Venus' Atmosphere
A suite of scientific balloons is about to lift off carrying instruments that will help scientists understand the connection between the Sun and Earth.
Lofted by NASA Balloons, New Experiments Will Study Sun-Earth System
NASA’s Parker Solar Probe has given scientists the first complete look at Venus’ orbital dust ring.
NASA's Parker Solar Probe Sees Venus Orbital Dust Ring in 1st Complete View
Zipping through space at close to the speed of light, Solar Energetic Particles, or SEPs, are one of the main challenges for future human spaceflight.
In First, Scientists Trace Fastest Solar Particles to Their Roots on the Sun
Scientists think piecing together the story of switchbacks – rapid flips in the Sun’s magnetic field – is an important part of understanding the solar wind.
Switchbacks Science: Explaining Parker Solar Probe's Magnetic Puzzle
Zodiacal light is sunlight reflected toward Earth by dust orbiting the Sun. Juno scientists now think Mars may be the source of the dust.
Detections by Juno Spacecraft Shatter Ideas About Origin of Zodiacal Light
Whether you're doing it for the nerd cred or the pie, this week on #10Things, we've got all the ways you can celebrate #PiDay with NASA.
10 Ways to Celebrate Pi Day with NASA on March 14
During Parker Solar Probe’s seventh swing by the Sun, celestial geometry posed a special opportunity for other observatories.
Observations Around Solar System During Parker Solar Probe's 7th Solar Encounter
NASA’s Parker Solar Probe captured stunning views of Venus during its close flyby of the planet in July 2020.
Parker Solar Probe Offers Stunning View of Venus
They focus on our star, but three of NASA’s Sun-watching spacecraft have also captured unique views of the planets.
Unique Solar System Views from Sun-Watching Spacecraft
NASA and Poland have agreed to cooperate on a NASA heliophysics mission, the Interstellar Mapping and Acceleration Probe (IMAP).
NASA, Poland to Cooperate on Interplanetary Space Mission
NASA’s Solar Dynamics Observatory, or SDO, has experienced its first lunar transit of the year.
NASA's SDO Spots First Lunar Transit of 2021
These earthquake-like events release acoustic energy in the form of waves that ripple along the Sun’s surface.
Secrets Behind Sunquakes Could Lurk Beneath the Solar Surface
NASA has approved two heliophysics missions to explore the Sun and the system that drives space weather near Earth.
NASA Approves Heliophysics Missions to Explore Sun, Earth's Aurora
Researchers may have found the long-sought “nanoflares” thought to heat the solar corona to its incredible temperatures.
This May Be the First Complete Observation of a Nanoflare
As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, a little tiny speck was flying past the Sun – a recently discovered comet.
Recently Discovered Comet Seen During 2020 Total Solar Eclipse
NASA has selected two SmallSat missions to share a ride to space in 2025 with the agency’s Interstellar Mapping and Acceleration Probe.
NASA Selects Heliophysics Missions
SOHO’s original operating phase was scheduled for two years – and now, through repeated extensions, it is celebrating 25 years in orbit.
Sun-Observing SOHO Mission Celebrates a Quarter-Century in Space