Ground-based astronomy is a research area focused on observing celestial objects and phenomena using instruments located on Earth’s surface, typically at high-altitude, low-humidity sites optimized for atmospheric transparency and stability. It encompasses optical, infrared, submillimeter, and radio observations employing telescopes, interferometers, and advanced detector arrays. Research addresses topics such as stellar and galactic structure, exoplanets, cosmology, and transient events, while contending with atmospheric turbulence, absorption, and light pollution. Adaptive optics, interferometric techniques, and sophisticated data reduction pipelines are central to mitigating atmospheric effects and enhancing spatial and spectral resolution, making ground-based facilities critical complements to space-based observatories.
For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars in the universe affect light emitted from the Big Bang.
Astronomy
Jun 11, 2025
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Astronomers from the Aryabhatta Research Institute of Observational Sciences (ARIES) in India and elsewhere have employed the Devasthal Fast Optical Telescope (DFOT) to conduct long-term photometric observations of an open ...
The European Space Agency's (ESA) newest planetary defender has opened its "eye" to the cosmos for the first time. The Flyeye telescope's 'first light' marks the beginning of a new chapter in how we scan the skies for new ...
Planetary Sciences
Jun 5, 2025
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A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's University Belfast, have revealed new research showing that millions of new solar system objects will be ...
Astronomy
Jun 4, 2025
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An international team of astronomers has successfully demonstrated a new technique to observe especially faint black holes by correcting for atmospheric effects on Earth. The technique, called "frequency phase transfer (FPT)," ...
Astronomy
May 21, 2025
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The satellite population in low Earth orbit (LEO) is not an open book. While data on many satellites is public, others are shrouded in secrecy, and information is incomplete for others. New research shows how observers can ...
Astronomy
May 20, 2025
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How can you fairly compare one telescope to another? It's all in the (angular) resolution.
Astronomy
Apr 21, 2025
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High up on the top of Cerro Pachón in northern Chile, NSF–DOE Vera C. Rubin Observatory is nearing completion. At the heart of the facility, a pivotal moment in the project's scientific adventure is unfolding. After more ...
Astronomy
Apr 14, 2025
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39
The first image from the international SKA Observatory's telescope in Australia, SKA-Low, has been released today—a significant milestone in its quest to reveal an unparalleled view of our universe.
Astronomy
Mar 18, 2025
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100
An in-depth technical analysis by the European Southern Observatory (ESO) has evaluated the impact of the INNA megaproject on the facilities at the Paranal Observatory, Chile—and the results are alarming. The analysis reveals ...
Astronomy
Mar 17, 2025
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