At the other extreme of mass, supergiant galaxies can encompass a hundred trillion stars in orbit around the galactic center ... In September 2024, the James Webb Space Telescope captured this ...

Pulitzer Prize finalist Dave Eggers says scientists are ‘in striking distance’ of finding life on an exoplanet ...

Astronomers developed a technique that uses a star's spectrum to chart variations in its temperature to the nearest tenth of ...

A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Astronomers study stars by looking at the different colors of light they emit—colors they capture and analyze using ...

Mars' orbit could wobble due to primordial black holes in space Dark matter may consist of these ancient black holes Instruments can detect the wobble within the solar system ...

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep ...

Chandra — an orbiting telescope launched in 1999 that detects X-ray light emitted from galaxies, nebulae, black holes, and other high energy astrophysical phenomena — is one of the “Great ...

The Earth has pulled in moons of this type before but none have ever stuck around as long as the moon we know.

NASA has finished building its spacecraft bus to deploy the Nancy Grace Roman Space Telescope into orbit after the space ...

The spacecraft bus that will deliver NASA's Nancy Grace Roman Space Telescope to its orbit and enable it to function once ...

PARIS–The advent of SpaceX’s Starship-Super Heavy launch system and its larger payload capacity is opening new possibilities ...