The Gestation of the Hubble

By Nancy Grace Roman Looking through the atmosphere is like looking through a piece of old stained glass. The glass has defects that distort the image. The atmosphere also has defects that distort the image, but the defects in the atmosphere move, thus blurring the image as well. The glass is colored, so only some […]

February 18, 2026
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Perseverance Pinpoints Its Location at ‘Mala Mala’

Description Using its navigation cameras, NASA’s Perseverance Mars rover captured the five stereo pairs of images that make up this panorama on Feb. 2, 2026, the 1,762nd day, or sol, of the mission. A new technology called Mars Global Localization matched this 360-degree view to onboard orbital imagery from the agency’s Mars Reconnaissance Orbiter (MRO), […]

February 18, 2026
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NASA’s Perseverance Now Autonomously Pinpoints Its Location on Mars

There is no GPS at the Red Planet, but a new technology called Mars Global Localization lets Perseverance determine precisely where it is — without human help.  Imagine you’re all alone, driving along in a rocky, unforgiving desert with no roads, no map, no GPS, and no more than one phone call a day for someone to inform you exactly where you are. That’s what NASA’s Perseverance rover has been experiencing since landing on Mars five years ago. Though it carries time-tested tools for determining its general location, the rover has needed operators on Earth to tell it precisely where it is — until now.   A new […]

February 18, 2026
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NPR News: Surprise shark caught on camera for first time in Antarctica's near-freezing deep

Surprise shark caught on camera for first time in Antarctica's near-freezing deep
Many experts had thought sharks didn't exist in the frigid waters of Antarctica.

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A Second Cyclone Slams Madagascar

Widespread flooding affected tens of thousands of people after cyclones Fytia and Gezani drenched the island.

February 18, 2026
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Curiosity Blog Sols 4804-4811: Kicking Off the Final Phase of Boxwork Exploration

Written by Abigail Fraeman, Curiosity Deputy Project Scientist Earth planning date: Friday, Feb. 13, 2026 Curiosity spent this week at Gale crater completing the last few activities associated with the “Nevado Sajama 2” drill before kicking off our final phase of the boxwork exploration campaign. As we’ve explored the boxwork region, the science team has […]

February 18, 2026
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NPR News: AI is helping individual scientists, study suggests — but not science

AI is helping individual scientists, study suggests — but not science
Artificial intelligence is helping researchers advance their careers and drill deeper into specific questions, but it is not necessarily benefiting science on the whole.

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