“There is no evidence of microbes on Mars today, but if any had been present on ancient Mars, they too might have reduced ...

The agency’s scientists are still not saying they found fossils of Martian microbes, but analysis of the specimen collected ...

We'll likely need to get Perseverance's samples to Earth to determine if they do indeed harbor evidence of Mars life —but the ...

Tides come from a difference in gravity across an object. The force of gravity exerted by the Moon is about 4% stronger on the side of Earth that faces toward the Moon, compared to the opposite side ...

Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

Researchers who examined data from Perseverance found that the rocks contained organics that could have been the precursors ...

The final eclipse of 2025 will unfold this weekend, but despite some of the hype online, most of the world will miss the ...

"Although this doesn't rule out the possibility that Enceladus' ocean may be habitable, it does mean we need to be cautious ...

Organic molecules in Enceladus's plumes may form from surface radiation, not its ocean, reshaping how scientists assess the ...

NASA employees are once again taking to the streets to raise awareness about deep science cuts and layoffs at the space ...