The European Space Agency has released a chart of the exact positions of many stars in the Milky Way and neighboring galaxies. But the map only shows a small fraction of what's out there.
This month marks the Hubble Space Telescope's 28 years in space, and as a gift to us earthlings, NASA and the European Space Agency issued photos of colorful, explosive beauty.
TESS short for Transiting Exoplanet Survey Satellite will spend two years searching for planets near bright, nearby stars.
NASA is launching a mission to find Earth-sized planets beyond our solar system that scientists can study for signs of life. Scientists already know of over 3,000 planets around distant stars.
Scientists hope MethaneSAT will show where the potent greenhouse gas is coming from. Tracking methane in the air is difficult because it rises and spreads from the source.