Even if a planet is in the habitable zone, a young star can wreak havoc on its atmosphere.
The green fireball was seen by hundreds of people from Vermont to South Carolina.
Helium hydride has been hiding for 13 billion years. Scientists finally found it.
Researchers calculate that an asateroid from beyond our solar system burned up in the atmosphere in 2014.
NASA's TESS telescope was only launched a year ago, and is designed to find small Earth-sized exoplanets that may support life.
After pulling off a perfect triple rocket landing, SpaceX fell victim to misfortune.
The lakes form with processes similar to some that occur on Earth, scientists believe.
Israeli company SpaceIL is not giving up on its goal of becoming the first private company to land on the moon.
Taking the first ever photo of a black hole required an incredible amount of coordination and planning.
The lander experienced engine and communication failures before crashing into the lunar surface.
A year on the ISS will alter an identical twin in very small ways.
With a five-year deadline looming, Lockheed Martin reimagined its lunar lander concept for a speedier timetable.
After failing to recover the center stage during last year's maiden flight, SpaceX appears to have fixed the problem.
A picture that's worth a thousands "whoas."
A supermassive black hole has been revealed.