The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted ...

A former observatory in Trellech, Monmouthshire, is up for auction with a guide price of £660,000-plus. The Observatory, once ...

Kilauea’s lava fountains reaching 500 feet high resumed Sunday afternoon, less than a week after its latest episode paused ...

In Chile's Atacama Desert, the European Southern Observatory is constructing the Extremely Large Telescope (ELT), poised to ...

The iconic "Cosmic Cliffs" image captured by the Webb Telescope was turned into a 3D fly-through, revealing a stunning stellar nursery.

Hawaiian Volcano Observatory reports that fountains rapidly grew into vigorous 500-foot molten rock geisers that ejected from the vent as they fed lava flows that had covered about 10% to 20% of the ...

Despite being far from the prime skywatching sites, the sky overhead was a dazzling dome of starlight ... was seeing the ...

The Paris Nuit des Musées is back. This year, in the town of Juvisy-sur-Orge in Essonne, the Camille Flammarion Observatory ...

Each episode of Halemaumau lava fountaining since the current on-again, off-again eruption began on Dec. 23, 2024, has continued for 13 hours to 8 days, with pauses between episodes lasting from less ...

Each episode of Halemaʻumaʻu lava fountaining since the beginning of the episodic summit eruption Dec. 23, 2024, has ...

Beneath Chile’s brilliant skies, the ELT grows—an engineering giant ready to capture the secrets of the universe with the ...