Researchers say the signal originates from Relay 2, a communication satellite launched in 1964 and ceased functioning in 1967 ...

Months after arriving in orbit thanks to a Falcon 9 rocket launch from Vandenberg Space Force Base, NASA’s newest space ...

Celestial objects known as dark dwarfs may be hiding at the center of our galaxy and could offer key clues to uncover the ...

Thomas Mulligan explains how the Hubble Space Telescope helped establish the universe’s age at 13.8 billion years.

The Hubble Space Telescope has caputured new imagery of 9.5 light-years tall portion the Eagle Nebula, located 7000 ...

Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...