This month's featured images include a commemorative portrait of the spacecraft Cassini and a composite image of dark matter.
Abigail Malate, Staff Illustrator
Detecting signs of life on planets beyond the solar system turns out to be more complicated than previously thought.
Ramin Skibba, Contributor
This month's featured images include an awe-inspiring view of the Milky Way and a vibrant shot of a Martian canyon colorfully adorned by minerals.
Scientists reveal plans for future experiments to study the faint remnants left behind by the Big Bang.
Yuen Yiu, Staff Writer
Clouds above giant planet beyond our solar system are made from the same mineral as rubies and sapphires.
Charles Q. Choi, Contributor
Inside Science is an editorially independent news service of the American Institute of Physics