Engineers have been testing out the huge telescope's parts to prep for its deployment in 2018.
Baby planets pull gas and dust toward their parent star, helping young suns to continue in their evolution.
The relativistic jets created by ancient supermassive black holes and tiny baby ones are more similar than previously realized.
Gamma rays from some of the universe's most energetic explosions are allowing scientists to probe the structure of space-time.
The brightest object in the early universe is helping to shine light on conditions soon after the Big Bang.
The contraction of the planet Mercury pulled the surface together, but new formations created by stretching have recently been found near squeezed features.
A companion star pushing through expelled dust and gas around a red giant star created a spiral structure.
Some landslides on Saturn's icy moon, Iapetus, travel 10 to 15 times farther than scientists expected.
Europe's $788 million Euclid mission will launch an ambitious space telescope to map dark matter and dark energy.