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Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its surface. So, what happened to the Red Planet, and could it happen to Earth?
New images from the Mars Express orbiter reveal evidence of a past ice age at Mars's mid-latitudes and shine light on the planet's dynamic climate history.
The ESCAPADE mission, which launched to space on a Blue Origin rocket on Thursday, breaks the mold of how planetary science missions typically come together.
Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That's the future that NASA's ESCAPADE, or escape and plasma acceleration and dynamics explorers, mission will help unleash: one where small,
NASA begins its second Mars trial in Houston, where four volunteers will live for a year in a printed habitat called the CHAPEA program.
A geomagnetic storm on Earth triggered by a large burst of solar radiation has temporarily grounded a Blue Origin rocket carrying twin NASA satellites built to measure space
Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked to predict its trajectory. ESA has now improved the comet's predicted location by a factor of 10,
Cemented dunes in Gale Crater reveal evidence of late-stage water that may have preserved organic signals beneath the Martian surface.
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Extreme 'paradise' volcano in Costa Rica is like a piece of ancient Mars on our doorstep — Earth from space
A 2025 satellite photo captures the stark contrast between the barren Poás volcano and the surrounding Costa Rican jungle. The volcano's super-acidic lake provides the perfect analog for studying how hardy microbes may have emerged on Mars billions of years ago.
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