Introduction Launched into the night sky nearly 26 years ago, on December 19, 1999, from Vandenberg Air Force Base (now Space Force Base), Terra was NASA’s first Earth Observing System (EOS) Flagship mission to study Earth’s land surface from space via a coordinated series of polar-orbiting and low-inclination ...
7 hours ago
NASA
Terra: The End of An Era
NASA
The Final Earth Observer Editor’s Corner: October–December 2025
It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an orderly shutdown of the publication. No new content will be published after Dec. 31, 2025. While the sunset of The Earth Observer is bittersweet for our team, the good news is ...
7 hours ago
NASA
The Final Earth Observer Editor’s Corner: October–December 2025
NASA
The State of CERES: Updates and Highlights
Introduction The Clouds and the Earth’s Radiant Energy System (CERES) was initially designed in the late-1980s and early-1990s as a facility instrument for NASA’s Earth Observing System (EOS). Since its inception, NASA’s Langley Research Center (LaRC) has led this effort. CERES has a long history ...
7 hours ago
NASA
The State of CERES: Updates and Highlights
Space.com
10 most expensive Lego Marvel sets on the market right now
From Spider-Man to the Guardians of the Galaxy, here are the most expensive Lego Marvel sets you can get your hands on.
8 hours ago
Space.com
10 most expensive Lego Marvel sets on the market right now
Space.com
Flat Earth, spirits and conspiracy theories — experience can shape even extraordinary beliefs
Why do people often adopt and develop beliefs that lack strong supporting evidence?
10 hours ago
Space.com
Flat Earth, spirits and conspiracy theories — experience can shape even extraordinary beliefs
NASA
2025 Space Station Science Snapshots
2025 marks another year pushing the boundaries of scientific research aboard the International Space Station. This past year, over 750 investigations were conducted aboard the space station, supported by crewed missions and resupply vehicles delivering essential cargo and experiments to the orbiting ...
10 hours ago
NASA
2025 Space Station Science Snapshots
New York Times Space
This City’s Best Winter Show Is in Its Pitch-Dark Skies
A heritage of dark sky preservation means residents of Flagstaff welcome the season’s longer nights with prolonged views of the stars.
11 hours ago
New York Times Space
This City’s Best Winter Show Is in Its Pitch-Dark Skies
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Space.com
Iran says it launched 3 satellites to space on Russian rocket: report
Iran has launched a trio of new satellites into space with the help of a Russian rocket, the country's state media reported Sunday (Dec. 28).
12 hours ago
Space.com
Iran says it launched 3 satellites to space on Russian rocket: report
NASA
NASA to Preview US Spacewalks at Space Station in January
NASA astronauts will conduct a pair of spacewalks in January outside of the International Space Station to prepare for the installation of a roll-out solar array and complete other tasks. Experts from NASA will preview the spacewalks in a briefing at 2 p.m. EST Tuesday, Jan. 6, at NASA’s Johnson Space ...
12 hours ago
NASA
NASA to Preview US Spacewalks at Space Station in January
NASA
A Galactic Embrace
Mid-infrared data from NASA’s James Webb Space Telescope (in white, gray, and red) and X-ray data from NASA’s Chandra X-ray Observatory (in blue) come together in this photo of colliding spiral galaxies released on Dec. 1, 2025. The pair grazed one another millions of years ago; billions of years ...
13 hours ago
NASA
A Galactic Embrace
Space.com
12 times rockets and spacecraft crashed and burned in 2025
We saw quite a few milestones notched in the final frontier this year. But there were a number of failures as well, some of them quite dramatic.
14 hours ago
Space.com
12 times rockets and spacecraft crashed and burned in 2025
Space.com
Does physics say that free will doesn't exist?
At first glance, it seems like our understanding of physics forbids free will.
16 hours ago
Space.com
Does physics say that free will doesn't exist?
Space.com
13 must-see moon events in 2026: Eclipses, supermoons, conjunctions and more
Here are the best lunar events to see in 2026, including eclipses, supermoons and conjunctions.
18 hours ago
Space.com
13 must-see moon events in 2026: Eclipses, supermoons, conjunctions and more