The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the red planet seemed to be ready to give up some of its mystery. Astronomers ...

Elon Musk envisions humanity's future on Mars, driven by the need to safeguard civilization from Earth's existential threats.

What if we could turn Mars into a second Earth? A group of scientists is revisiting this audacious idea with new eyes, armed ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for ...

A crewed mission to Mars would rank among the most complex and costly undertakings in human history -- and US President ...

A series of planets will align in the early morning skies before sunrise through July 4, including Jupiter, Uranus, Mars, Neptune, Saturn, the dwarf planet Pluto and the moon. The rare parade of ...

Strange, dark streaks on Martian slopes that once hinted at flowing water are now believed to be dry dust slides, revealed ...

Robert Zubrin quite literally wrote the book on why humanity should go to Mars -- so why has the renowned aerospace engineer ...

Mars' core formed within just a few million years, scientists say compared to the hundreds of millions or even billions of ...

The researchers said 2017 OF201 was identified in observations by telescopes in Chile and Hawaii spanning seven years.

NASA will soon be implementing a long-term presence on the Moon, with housing for 100 or more astronauts, and Mars will ...