The Hubble Space Telescope launched on April 24, 1990, aboard the Space Shuttle Discovery (STS-31), and deployed into Earth ...

A team of US astronomers led by Kailash Sahu said they have finally discovered the first isolated stellar-mass black hole ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...

A fog of long-wavelength infrared light could be produced by dusty, star-forming galaxies that have remained hidden — until ...