LEIA Stories
A 35-year satellite altimetry record lets scientists hold this year's El Niño up against its strongest predecessors.
This observation is one of many gravitational lensing images taken by Hubble in preparation for science with the new Nancy Grace Roman Space Telescope.
Emissions on both sides of the island are unusually high as human-set fires spread in a landscape parched by drought.
NASA Science wants to deliver science faster, so we’re changing how we compete and select missions. On Monday, October 26, we will host a virtual NASA Science Town Hall.
Interstellar probes. Lunar drones. Helicopters on Mars. When a group of Caltech graduate students and enthusiasts began conducting rocket-propulsion tests in Pasadena’s Arroyo Seco on Oct. 31, 1936, they had no idea that their work marked the inception of the…
Written by Vandi Verma, Chief Engineer for Robotic Operations at NASA’s Jet Propulsion Laboratory Oct. 12, 2026 Since the last blog update, Perseverance has achieved a major milestone on Mars. On Sol 2006 (Oct. 11, 2026), its odometer reached 45.22…
From orbit, today’s space-based laser instruments measure Earth’s forests and terrain one narrow line at a time. Between those lines are enormous gaps that include millions of acres of land scientists never directly measure. NASA’s CASALS instrument will blend machine…
The powerful low-pressure system formed over the North Atlantic out of the remnants of Hurricane Isaias.
Editor’s Note: This article was originally published on Oct. 15, 2026, and has been updated to correct the location of the flights. A NASA Dynamic Aviation A200 aircraft will conduct low-flying research flights over farmland near Amarillo, Texas, from Thursday,…
Destined for Mars and beyond, NASA’s Space Reactor-1 (SR-1) Freedom will be humanity’s first fission-powered spacecraft to travel outside Earth’s orbit. Announced during NASA’s “Ignition” event, this mission will demonstrate nuclear electric propulsion in deep space, and progress is underway…