Features Archives - Page 32 of 43

A raft’s eye view of rapids on the Colorado River in the Grand Canyon

Features

Will Earth’s Grandest Canyon Keep Getting Grander?

by Mary Caperton Morton 19 November 20193 November 2021

Living in Geologic Time: Rafting through the past, present, and future of the Colorado River and the Grand Canyon.

Ganymede, Europa, and Io are in resonant orbits around Jupiter

Features

Does Io Have a Magma Ocean?

by A. McEwen, K. de Kleer and R. Park 18 October 201911 April 2023

Future space missions will further our knowledge of tidal heating and orbital resonances, processes thought to create spectacular volcanism and oceans of magma or water on other worlds.

A small stone tower stand atop a small rocky hill.

Features

Einstein Says: It’s 309.7-Meter O’Clock

by Bas den Hond 16 October 201922 November 2021

Atomic clocks are now so accurate that Earth’s gravity can be seen to slow them down. Geodesy is preparing to use this relativistic effect to measure elevation.

Louise Kellogg wears a VR headset in a VR environment

Features

Louise Kellogg: Geoscientist, Mentor, Science Communicator

by Katherine Kornei 1 October 201913 January 2022

The geoscientist, who studied Earth’s mantle and believed strongly in the power of mentoring, passed away in April.

The launch plume from a test missile diffuses into the middle and upper atmosphere.

Features

The Coming Surge of Rocket Emissions

by M. N. Ross and D. W. Toohey 24 September 201924 October 2022

With the space industry’s rapid growth, rocket exhaust will increasingly accumulate in the atmosphere. How this accumulation might affect the planet is unknown—because we’re not taking it seriously.

Features

Can NASA Get Its Satellite Data into the Real World?

by G. Popkin 23 July 201912 August 2019

This article has been removed due to inconsistencies regarding quotations and concepts.

Illustration of an erupting volcano on Venus

Features

Resurrecting Interest in a “Dead” Planet

by Damond Benningfield 11 July 201917 January 2023

New research suggests that the surface of Venus is busy, but it may take new missions to our “sibling” planet to confirm this.

Photo of the Yangtze River flowing through a valley lined with greenery and agricultural terraces in China

Features

Forgotten Legacies: Understanding Human Influences on Rivers

by E. Wohl 8 July 20198 October 2021

Logging, urbanization, and dam building are a few ways people have significantly altered natural river ecosystems. Understanding that influence is a grand challenge of our time.

Features

How Cassini Ran Rings Around Saturn and What It Helped Us Learn

by Damond Benningfield 3 July 201911 January 2022

Once and future rings: During its final 22 orbits, the Cassini spacecraft provided a completely new look at one of our solar system’s most famous features.