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Space & Planets

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

New research shows how lightning-triggered plasma waves in Earth's magnetosphere trigger processes that can threaten satellites
Posted inResearch Spotlights

How Lightning Creates "Killer Electrons" in Earth's Radiation Belts

by Mark Zastrow 14 March 201718 January 2023

New calculations show that lightning-triggered plasma waves in Earth's magnetosphere absorb energy from slow particles and energize electrons to levels that can damage satellites severely.

A polar view of Saturn’s moon, Pan
Posted inNews

New Images of Pan, Saturn's Walnut Moon, in Unprecedented Detail

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 10 March 201720 April 2023

The finely detailed images can help future scientists study small bodies with weak gravity.

Posted inEditors' Vox

Imagining a Different Earth

by A. Dombard 10 March 201721 September 2022

Data will be critical to start to answer whether the newly found TRAPPIST-1 worlds are truly Earth-like.

The Jicamarca Radio Observatory in Peru is up and running again after 50 years
Posted inResearch Spotlights

After Decades, High-Altitude Observations Revived at Jicamarca

by Mark Zastrow 2 March 201731 January 2022

Recent upgrades to the Jicamarca Radio Observatory in Peru allow it to probe electron densities several thousand kilometers above Earth, a feat it hasn't accomplished in 50 years.

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

Studying Martian Rocks Without Leaving Planet Earth

Alexandra Branscombe by A. Branscombe 1 March 20173 January 2023

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

William Harris, president and CEO of Space Center Houston, stands in front of the Apollo 11 command module capsule.
Posted inNews

Apollo 11 Command Module Goes on Tour

by Randy Showstack 27 February 201715 November 2022

The exhibit includes Buzz Aldrin's gloves and an injector plate from the rocket's first-stage engine, which was recovered from the bottom of the Atlantic Ocean.

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.

Artist’s representation of TRAPPIST-1 planet surface view.
Posted inNews

Seven Earth-Sized Planets Seen Whizzing Around One Cool Star

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 22 February 201724 October 2022

Although all the exoplanets orbit closer than Mercury does to our Sun, liquid water may persist on some of them because their star radiates so little heat.

Researchers identify the role of plasma waves where the magnetic fields of Earth and the Sun interact.
Posted inResearch Spotlights

Plasma Waves Pinpointed at the Site of Magnetic Reconnection

by Mark Zastrow 17 February 201718 July 2023

When the Earth's and the Sun's magnetic fields meet, they realign in explosive and mysterious reconnections. Data suggest that plasma waves called kinetic Alfvén waves play a key role.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

The Speedy Particles That Could Help Us Learn More About Uranus

18 June 202618 June 2026
Editors' Highlights

Where Methane is Emitted Matters for Global Burden

18 June 202616 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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