Astronomers at the Center for Astrophysics | Harvard and Smithsonian have uncovered direct evidence that the red supergiant ...

Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest ...

Pandora, a satellite developed by the University of Arizona, is set for launch aboard a SpaceX Falcon 9 rocket from ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

In observations conducted between April 5 and April 10, 2017, the team looked at the relativistic jet produced by OJ 287, a ...

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

SN Ares might be the most exciting one. The star exploded when the universe was about one-third of its current age.

For more than three months, a pair of observatories, positioned on either side of the Sun, managed to track an active region ...

A team of scientists has estimated that the Hubble Space Telescope could reenter Earth’s atmosphere and meet its fiery demise ...

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Pandora, a University of Arizona satellite, is locked and loaded for launch into space, which is just hours away.

NASA is ramping up work on one large space telescope while also laying the groundwork for future observatories.