In a new study featured by New Scientist, researchers propose that Mars might have once had a much larger moon than it does today, capable of creating tidal effects on the Red Planet. This hypothesis ...

Mars looks quiet today, but new research suggests the planet’s surface still carries the rhythm of a vanished companion. Sediment patterns in an ancient lake bed point to regular rises and falls in ...

Mars will put on a show in the second half of this month. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This has been a most interesting year ...