When St. Louis native Nikki Alexander was a student at Harvard Law School, she made a discovery that fueled her passion project. “I had never heard of space law before,” Alexander said. She was ...

The spacecraft will map the boundaries of the heliosphere, study how Earth’s outer atmosphere reacts to solar activity and provide continuous monitoring of space weather ...

At the edge of the heliosphere, the solar wind runs up against the interstellar medium, the gas, dust, and radiation in the space between the stars. This boundary remains a poorly understood frontier ...

Dave Bautista refuses to work with complainers and negative people on Hollywood film sets Scientists Found 7,000-Year-Old Mummies in the Desert That Don’t Share DNA With Modern Humans This tiny island ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Astrophysicist David McComas is leading a new SpaceX mission to the point between Earth and the sun, where scientists hope to study the boundary of the heliosphere.

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...