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Hubble Glimpses Merging Galaxy Clusters

This NASA Hubble Space Telescope image features a galaxy cluster, called CL0016+1609 or MACS J0018.5+1626, that is very bright at X-ray wavelengths and is one of the most extensively studied clusters at X-ray and radio wavelengths. The X-ray observations of this...

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Hubble Glimpses Merging Galaxy Clusters

This NASA Hubble Space Telescope image features a galaxy cluster, called CL0016+1609 or MACS J0018.5+1626, that is very bright at X-ray wavelengths and is one of the most extensively studied clusters at X-ray and radio wavelengths. The X-ray observations of this...

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PhysCOS Activities at AAS 248 – 18 June 2026

PhysCOS Activities at AAS 248 – 18 June 2026

Physics of the Cosmos 18 June 2026 Dear Physics of the Cosmos (PhysCOS) community members- If you’re attending the American Astronomical Society’s 2026 Summer Meeting (AAS 248) in Pasadena CA, please join us for the following PhysCOS-organized activities (all times...

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PhysCOS Activities at AAS 248 – 18 June 2026

PhysCOS Activities at AAS 248 – 18 June 2026

Physics of the Cosmos 18 June 2026 Dear Physics of the Cosmos (PhysCOS) community members- If you’re attending the American Astronomical Society’s 2026 Summer Meeting (AAS 248) in Pasadena CA, please join us for the following PhysCOS-organized activities (all times...

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El Niño Is Underway

El Niño Is Underway

El Niño, characterized by warmer-than-normal water temperatures in parts of the equatorial Pacific, made its return in June 2026. Observations of sea surface height from the Sentinel-6 Michael Freilich satellite that month indicated that the 2026 event was continuing...

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El Niño Is Underway

El Niño Is Underway

El Niño, characterized by warmer-than-normal water temperatures in parts of the equatorial Pacific, made its return in June 2026. Observations of sea surface height from the Sentinel-6 Michael Freilich satellite that month indicated that the 2026 event was continuing...

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