As the Hubble Space Telescope celebrates 35 years in space, here's what to know about the ambitious instrument.

Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

Research breakthroughs are often sagas of passion, curiosity and sacrifice. If Trump’s proposed budget cuts for 2026 are ...

Shortly after the Hubble became operational, scientists discovered, to their horror, that a flaw in its mirror had greatly impaired the images the space telescope returned. Rather than abandon the ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

Shortly after the Hubble became operational, scientists discovered, to their horror, that a flaw in its mirror had greatly impaired the images the space telescope returned. Rather than abandon the ...

What is Space Jaws? A covert black hole revealed itself to astronomers in 2025 with a spectacular burst of radiation known as a tidal disruption event ...

Decades of stunning images have continued to spark our imagination thanks to 35 years of the Hubble Space Telescope.

This NASA/ESA Hubble Space Telescope image features a sparkling ... After all, Hubble, with its 7.8-foot-wide (2.4 m) mirror and advanced scientific instruments, doesn't bear resemblance to ...

April 24th, 1990: the Hubble Space Telescope ushers in a new era of space ... Hubble’s history got off to a rocky start, needing a mirror upgrade in 1993 and a few more service missions from ...

far surpassed the abilities of Hubble. Orbiting the sun rather than Earth, the James Webb Space Telescope is outfitted with a gold-coated mirror and powerful infrared instruments. Also ...

The JWST has done it again. The powerful space telescope has already revealed the presence of bright galaxies only several ...