Galaxies

The damaged Kepler spacecraft's operating capability is much lower than expected, officials say

Amateur stargazers can see a rainbow of star colors in the night sky this summer

Astronomers speculate that a supermassive black hole in a distant galaxy may have been spit out from the collision of two other galaxies

The newly discovered moon is the 14th in Neptune's orbit

The black hole in galaxy NGC 1277 is way more massive than usual. Astronomers hypothesize it was ejected from another galaxy before settling in its new home. John Matson reports

A greener fuel "less toxic than caffeine" could replace NASA's dangerous hydrazine rocket propellant

Even with the loss of its precision pointing ability, Kepler can still search for exoplanets, scientists say

A new telescope array reveals a gas cloud forming a star perhaps 100 times as massive as the sun

Ultrafast, ultrabright radio pulses from sources unknown could help map intergalactic matter, but only if astronomers can figure out their origin

Theoretical physicist and New York University professor Matthew Kleban answers viewer questions submitted to our YouTube Space Lab Channel

An unmanned rocket carrying $200 million in satellite technology likely crashed due to an emergency booster shutdown

A poll to rename Pluto's moons throws out the most popular choice: a Star Trek inspired name