"Primordial black holes do not live in the solar system. Rather, they’re streaming through the universe, doing their own thing. And the probability is, they’re going through the inner solar system at ...

This discovery indicates that formaldehyde contributed to the formation of organic matter on ancient Mars, implying that bio-important molecules such as sugars and ribose (a component of RNA, which is ...

An astronomer is suggesting that Mars once had a large moon that exerted enough force to create a large bulge on its surface.

NASA’s Curiosity rover achieved a historic milestone by capturing the first-ever image of Earth alongside Phobos, one of Mars ...

The Kieffer model, the researchers concluded, was an accurate representation of the processes that produce, not just the ...

This information allowed them to extrapolate the escape rate backward through time to understand the history of water on the Red Planet. These are far-ultraviolet Hubble images of Mars near its ...

As dry riverbeds, deltas, and ocean basins attest, the Red Planet once ... years it’s taken Mars to dry out. That’s because Mars’s orbit is an irregular thing. Hubble images of Mars near ...

Mars is a place of mysteries ... As dry riverbeds, deltas, and ocean basins attest, the Red Planet once fairly sloshed with water—until three billion years ago, when it began turning into ...

Mars is a place of mysteries ... As dry riverbeds, deltas, and ocean basins attest, the Red Planet once fairly sloshed with water—until three billion years ago, when it began turning into the desert ...

Mars is a frigid desert today but it used to be a very wet world. The jury is still out on whether it was cold and wet or warm and wet, but water was abundant. Where did all that water go?

Once draped with seas and swathed in rivers, Mars ... the planet. Isotopic signatures serve as valuable markers, providing clues to environmental conditions when the water was abundant. This ...