How Mars’ ancient lakes grew shields of ice to stay warm as the Red Planet froze
The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.
Unusual ‘ingredients’ helped stars form in a galaxy near the Milky Way
Some newly found stars in a small galaxy called Sextans A are forming without some of the usual "ingredients," raising questions about how the early universe evolved.
Satellite sees snowy Greenland peaks from space | Space photo of the day for Jan. 14, 2026
Greenland's mountains greatly affect local climate patterns.
The universe should be packed with tiny galaxies — so where are they?
There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big implications for the story of how our universe grew up.
‘Death by a thousand cuts’: James Webb Space Telescope figures out how black hole murdered Pablo’s Galaxy
"It points to a slow starvation rather than a single dramatic death blow."
Viruses may be more powerful in the International Space Station’s microgravity environment
"Microgravity pushed evolution into corners of the phage we still don't fully understand"
Astronomers watch 2 supermassive black holes caught in a twisted dance with never-before-seen jet behavior
"This result shows that the Event Horizon Telescope is not only useful for producing spectacular images, but can also be used to understand the physics that govern black hole jets."
This stunning Orion Nebula photo will make you want to grab a telescope this week
The Orion Nebula is the closest large star-forming region, located within the Milky Way just 1,500 light-years from Earth.
Guardians of trivia: How much do you know about the Space Force?
Think you know America's newest military branch? Take our quiz and prove you're Space Force‑savvy.
Blast from the past: A rocket history quiz
Test how well you know the breakthroughs, pioneers, and turning points that shaped modern rocketry.