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Science News by AGU

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Mars

: Researchers examine the origins of plasma ropes in Mars’s magnetotail
Posted inResearch Spotlights

Angles of Plasma Ropes near Mars Point to Different Origins

by Sarah Stanley 11 October 20174 May 2022

Variation in the orientation of flux rope features in Mars’s magnetotail suggests that some of them form on the planet’s Sun-facing side and travel to the night side.

Researchers examine images taken by NASA’s Curiosity rover to see how Martian sand dunes form.
Posted inResearch Spotlights

Curiosity Spies Shifting Sands on Mars

by Mark Zastrow 29 June 2017

Images from the rover’s pioneering encounter with sand dunes on Mars constrain wind speeds required to move sand in the thin Martian atmosphere.

Sen. Ted Cruz talks about America’s role in space exploration and maintaining the security of our nation’s satellites.
Posted inNews

Scientists, Policy Makers Push for Mars Exploration

by Randy Showstack 19 May 201726 January 2022

At a recent forum, Sen. Ted Cruz also announced a Senate hearing to revisit the half-century-old Outer Space Treaty, and he warned about potential military threats to the nation’s satellites.

Posted inEditors' Vox

Insights into the Habitability of Mars

by M. Rice 15 May 201728 September 2021

NASA’s Curiosity rover explored the Kimberley region of Mars to search for signs that the planet was once habitable.

Researchers try out a mathematical model assessing Martian solar irradiance.
Posted inResearch Spotlights

Spacecraft Returns Its First Data on Martian Solar Irradiance

by Sarah Stanley 10 May 2017

Scientists demonstrate the capabilities and limitations of the mathematical model used to calculate solar irradiance using measurements from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN).

A view of Mars’s south polar ice cap, taken by Mars Express.
Posted inScience Updates

Mars Polar Intrigue Spurs Multidisciplinary Collaboration

by I. Smith, D. Beaty and T. Thorsteinsson 20 March 20178 March 2022

Sixth International Conference on Mars Polar Science and Exploration; Reykjavík, Iceland; 5–9 September 2016

Mineral veins on Mars offer clues to the history of the planet’s crust
Posted inResearch Spotlights

Studying Martian Rocks Without Leaving Planet Earth

by A. Branscombe 1 March 20176 October 2021

Matching Martian rock formations to those found on Earth can help researchers learn more about the Red Planet.

An artist’s rendition of NASA’s Space Launch System.
Posted inNews

Focus NASA on Mars and Moon, Not Earth, Witnesses Tell Hearing

by Randy Showstack 23 February 201726 January 2022

One speaker, the former chief scientist of NASA, spoke up for NASA's Earth science program as broadly beneficial and affordable within the agency's existing budget.

Researchers investigate the layers of ice and dust at Mars’s north pole.
Posted inResearch Spotlights

How Mars Got Its Layered North Polar Cap

by E. Underwood 8 February 201711 February 2017

Orbital wobbling shaped the dome of ice and dust at the planet's north pole.

Researchers simulate the heat that flows through Mar’s interior to aid a future lander.
Posted inResearch Spotlights

Martian Mantle Models Pave the Way for NASA's InSight Lander

by Mark Zastrow 23 January 201710 March 2022

The most detailed simulations to date of how heat flows through Mars's interior are good news for the upcoming lander and will help scientists interpret its data.

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