Search results for Heliophysics

Planetary Sciences May 5, 2025

Report on nation's first space weather simulation exercise

The Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, recently released the results of the nation's first end-to-end Space Weather Tabletop Exercise (TTX), held in May 2024. The After-Action Report, published ...

Astronomy Apr 22, 2025

New study reveals how solar coronal holes spray solar wind like a sun garden hose

Scientists from Skolkovo Institute of Science and Technology, together with scientists from the University of Graz, Kanzelhöhe Observatory, and Columbia University, have discovered how coronal holes—vast magnetic windows ...

Astronomy Apr 11, 2025

How NASA science data defends Earth from asteroids

The asteroid 2024 YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an analysis from NASA's Center for Near Earth Object Studies (CNEOS) at the agency's ...

Planetary Sciences Mar 5, 2025

NASA powers down two Voyager science instruments to extend mission life

Mission engineers at NASA's Jet Propulsion Laboratory in Southern California turned off the cosmic ray subsystem experiment aboard Voyager 1 on Feb. 25 and will shut off Voyager 2's low-energy charged particle instrument ...

Planetary Sciences Feb 25, 2025

NASA's EZIE is launching to study magnetic fingerprints of Earth's aurora

High above Earth's poles, intense electrical currents called electrojets flow through the upper atmosphere when auroras glow in the sky. These auroral electrojets push about a million amps of electrical charge around the ...

Astronomy Feb 24, 2025

NASA's PUNCH mission to revolutionize our view of solar wind

The Earth is immersed in material streaming from the sun. This stream, called the solar wind, is washing over our planet, causing breathtaking auroras, impacting satellites and astronauts in space, and even affecting ground-based ...

Plasma Physics Feb 4, 2025

Interaction of kinetic waves and suprathermal particles could be key to unlocking biggest mystery in heliophysics

A graduate research assistant at The University of Alabama in Huntsville (UAH), a part of The University of Alabama system, has published a paper in the journal Astronomy & Astrophysics that builds on an earlier study to ...

Space Exploration Jan 17, 2025

NASA's IMAP instrument installations complete

With the installation of a charged particle detector on Dec. 3, 2024, all 10 of NASA's Interstellar Mapping and Acceleration Probe (IMAP) science instruments have been fully integrated on the spacecraft.

Astronomy Jan 8, 2025

Astronaut set to patch NASA's X-ray telescope aboard space station

NASA astronaut Nick Hague will install patches to the agency's NICER (Neutron star Interior Composition Explorer) X-ray telescope on the International Space Station as part of a spacewalk scheduled for Jan. 16. Hague, along ...

Space Exploration Dec 28, 2024

NASA's Parker Solar Probe sets new record for sun proximity

Operations teams have confirmed NASA's mission to "touch" the sun survived its record-breaking closest approach to the solar surface on Dec. 24, 2024.

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