A Highly Eccentric Journey
New constraints on the migration of Neptune in the early Solar System.
Terrestrial analogs: A slice of Mars in your own backyard
Sites on Earth that are similar to geologic features on other planets can be studied to better understand other worlds and even prepare for future exploration.
Did the Moon’s Ancient Magnetic Field Help Shield the Infant Earth?
A team of scientists led by Dr. James Green at NASA’s Headquarters in Washington, DC, have shown that the Earth and Moon may once have shared a protective magnetic shield that sheltered the young Earth’s atmosphere from erosion by the solar wind.
Solar Wind Takes up Mercury’s Mantle
Mercury is the smallest planet but has the largest core compared to its size. Is the solar wind to blame?
The Brine of Your Life
Can ephemeral, salty puddles on the surface of Mars sustain life?
Today’s forecast? Gusty winds on a brown dwarf
How could we measure winds on a distant brown dwarf or a Jupiter-like planet?