Astronomers report witnessing the formation of a galaxy cluster — the largest type of gravity-bound structure in the universe. And it’s not what they expected.

Astronomers have published photographs of colorful gas and dust strands left behind by a supernova found within the constellation Tucana, the toucan, located 200,000 light-years from Earth.

The planets orbit a red dwarf star called K2-155, located 200 light-years from Earth.

A new study estimates the masses of the seven Earth-like planets, which provides insights on what their atmospheres and surfaces may be like.

NASA's Aqua satellite, specialized aircraft, and the International Space Station are providing data on Tropical Storm Harvey as it continues to drop tremendous rainfall.

New research, published in the journal Nature, describes the convection in the outer atmosphere that precedes the death of red supergiant stars.

Celestial acoustic research shows that the sun's outer layers are more sensitive to medium and higher frequencies, indicating that some areas of the solar surface have weakened.

Worms could help future Red Planet settlers to cultivate crops by aerating soil and breaking down organic material into vital nutrients for plants.