Following in the footsteps of Aristotle and Galileo, NASA scientists look to take the next step in understanding auroras.

Nelson and NASA Deputy Administrator Pam Melroy left the agency on Monday (Jan. 20), the day that Donald Trump began his second term as president. Trump has appointed Janet Petro, who most recently served as director of Kennedy Space Center (KSC) in Florida, as NASA's interim chief.

"The change of seasons causes surface melting far inland from the coastal ice front," glaciologist Christopher Shuman said.

Jennifer Kesse’s disappeared on Jan. 23, 2006 and her family has been searching for answers since then. Here's everything to know about who Jennifer Kesse was, what happened when she went missing and the latest on the investigation.

He’d let me move the telescope around a bit, and I could ask questions. And he was always wonderful to share information with me. I probably just didn’t ask enough questions.”

NASA Administrator Bill Nelson has left the building, and while President Trump’s nominee awaits a confirmation hearing, the head of Kennedy Space Center will keep things afloat.

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and NASA scientists have produced the most comprehensive survey of the Andromeda galaxy, or Messier 31. The Andromeda galaxy is approximately 2.5 million light-years away from the Milky Way.

Any vehicle traversing the rocky terrain on Mars needs a sturdy set of wheels. NASA’s Perseverance rover, for example, sports thick aluminum ones covered in cleats to enhance its traction and mobility.

Day of Remembrance honors fallen astronauts with ceremonies nationwide, including wreath-laying at Arlington National Cemetery led by Jim Free and events at various NASA centers.

The data used to create the image is from a Hubble Space Telescope project to capture and map Jupiter's superstorm system.

Alabama State University alumnus, Larry K. Mack was recently named director of Human Capital with the Office of the Chief Human Capital Officer at NASA’s Marshall Space Flight Center in Huntsville, Alabama, as well as Mississippi's Stennis Space Center and its Shared Services Center.