Observatories and Telescopes - Part 2
59 reports
Hubble Reveals Asymmetric Spiral Galaxy Shaped by Cluster Forces
A new Hubble Space Telescope image captures NGC 4654, a spiral galaxy in Virgo, showing dramatic asymmetry caused by ram pressure stripping and past gravitational encounters
Hubble Reveals High-Speed Gas Bullets from Rare Helium Nova in Milky Way
Astronomers using Hubble and other observatories have observed V445 Puppis, the Milky Way's only known helium nova, ejecting dense gas clumps at speeds up to 32 million kilometers per hour
NASA Assigns SunRISE Mission to SpaceX Falcon Heavy After Vulcan Issues
NASA's SunRISE mission, designed to study solar radio bursts, will now launch aboard a SpaceX Falcon Heavy after technical concerns paused United Launch Alliance Vulcan Centaur flights
Webb Telescope Links 'Little Red Dots' to Ancient Star Clusters
Astronomers using the James Webb Space Telescope have traced mysterious 'Little Red Dots' in the early universe to the possible origins of globular clusters, offering new clues about how these dense stellar systems formed
Possible Exomoon Candidate Challenges Definitions in Distant Star System
Astronomers using the Very Large Telescope have detected a moon-like object orbiting a brown dwarf in the CD-35 2722 system, raising questions about how to classify such bodies beyond our solar system
Giant Exosatellite Discovery Redefines Boundaries of Planetary Systems
Astronomers have identified a Jupiter-sized exosatellite orbiting a brown dwarf, itself in orbit around the star CD-35 2722. The finding, made using high-resolution spectroscopy, challenges current definitions of moons and planets.
NASA's Psyche Spacecraft Uses Mars Flyby to Refine Asteroid Trajectory
NASA's Psyche probe has completed a close flyby of Mars, capturing a time-lapse sequence and using the planet's gravity to adjust its course toward the metal-rich asteroid Psyche, its target for arrival in 2029
Webb Telescope Reveals How Early Galaxies Produced Cosmic Dust
Astronomers used the James Webb Space Telescope to study a nearby dwarf galaxy, uncovering how ancient galaxies enriched the early universe with stardust essential for star and galaxy formation
How Perseid Meteors Trace a Journey from Comet to Night Sky
The Perseid meteor shower offers a glimpse into the solar system's ancient debris, as fragments from comet 109P/Swift-Tuttle enter Earth's atmosphere and produce visible streaks of light each August
Webb Telescope Reveals 4.4-Billion-Year-Old Galaxy Cluster in Formation
The James Webb Space Telescope has imaged the young galaxy cluster MACS J0553.4-3342, capturing light that began its journey 4.4 billion years ago and offering new insight into the assembly of large-scale cosmic structures
Magnetic Field of Galaxy Cluster Abell 2255 Mapped in Unprecedented Detail
Astronomers have reconstructed the magnetic field structure of the galaxy cluster Abell 2255 using deep radio observations from LOFAR, revealing how gas dynamics shape cosmic magnetism across millions of light-years
Webb data links early red dots to UV-bright companions and black hole seeds
A new analysis of James Webb Space Telescope images suggests that compact 'little red dots' in the early universe may form near ultraviolet-bright companions, offering a possible route to the rapid birth of supermassive black holes
James Webb Telescope Detects Unidentified Infrared Signal on Titan and Pluto
The James Webb Space Telescope has recorded a mysterious infrared absorption feature on both Saturn's moon Titan and the dwarf planet Pluto, hinting at shared surface chemistry despite their contrasting environments
NASA Tests Laser Link for Live 4K Video Transmission From the Moon
NASA's Artemis II mission used an experimental laser communications system to transmit live high-definition video from lunar orbit to Earth, testing a lower-cost, higher-bandwidth alternative to traditional radio links under real mission conditions
Webb Telescope Maps Gas Feeding a Supermassive Black Hole
Astronomers using the James Webb Space Telescope have mapped gas flows around a supermassive black hole, revealing a self-regulating cycle that may explain rapid black hole growth in the early universe
Webb Telescope Uses Gravitational Lensing to Reveal Ancient Galaxies
The James Webb Space Telescope has captured a detailed image of the galaxy cluster MACS J0553.4-3342, using gravitational lensing to magnify galaxies from the universe's first billion years
SpaceX Starship Test Aborted as Defense and Science Missions Advance
SpaceX's Starship Flight 13 test launch was halted seconds before liftoff, highlighting ongoing technical challenges as the company expands its role in US military and scientific space operations
NASA Contracts Chugach for Ames Research Center Facility Operations
NASA has awarded a five-year contract to Chugach Intelligence Solutions LLC to manage operations, maintenance, and repairs at Ames Research Center in California, supporting the center's scientific missions and infrastructure needs
Astronomers Warn of Night Sky Risks From Sun-Reflecting Satellite
A private company has received regulatory approval to launch a satellite equipped with a large reflective surface, aiming to direct sunlight to Earth after dark. Astronomers and scientific organizations are raising concerns about the impact on astronomical observations and public safety.
Asteroid Apophis to Make Exceptionally Close Approach in 2029
Researchers have mapped the 2029 flyby of asteroid Apophis, predicting that up to 90% of Earth's population could see the object with the naked eye as it passes closer than many satellites, offering a rare opportunity for direct observation
Dark Energy Camera Reveals Star Formation in Corona Australis Cloud
The Dark Energy Camera has imaged the Corona Australis Molecular Cloud, capturing intricate details of a nearby star-forming region and highlighting the interplay of gas, dust, and young stars in one of the closest stellar nurseries to Earth
Atmosphere Detected on Rocky Exoplanet in Habitable Zone
Astronomers have directly detected helium in the atmosphere of LHS 1140 b, a rocky exoplanet orbiting within its star's habitable zone, using infrared spectroscopy. The finding raises new questions about atmospheric survival and planetary habitability.
Webb Telescope Reveals Merging Young Galaxy Cluster 4.4 Billion Light-Years Away
NASA's James Webb Space Telescope has imaged the galaxy cluster MACS J0553.4-3342 as it appeared 4.4 billion years ago, capturing two massive sub-clusters in the process of merging and highlighting the gravitational effects shaping distant galaxies
Gravitational Wave Data Reveals Black Hole Event Horizon Properties
Researchers have extracted direct physical parameters from a black hole event horizon using an unusually strong gravitational wave signal, providing new experimental access to a region previously studied only through theory
Webb Telescope Detects Hidden Giant Planet in Beta Pictoris System
Astronomers have identified a third giant exoplanet in the Beta Pictoris system using the James Webb Space Telescope's spectroscopic capabilities, revealing a world previously concealed by the system's bright debris disk
Metasurface Grating Demonstrates Compact Solar Magnetic Field Mapping
A polarization-sensitive metasurface grating has matched conventional instruments in mapping solar magnetic fields, offering a route to smaller, simpler, and potentially more robust hardware for future space-based solar telescopes
NASA's IXPE Maps Magnetic Field of Unusual Pulsar in Milky Way
Astronomers have used NASA's Imaging X-ray Polarimetry Explorer to directly map the magnetic field around the pulsar PSR J1101-6101, revealing how high-energy particles stream through the Milky Way and testing long-standing theoretical predictions
Total Solar Eclipse and Perseid Meteor Shower Align on 12 August 2026
On 12 August 2026, a total solar eclipse will cross parts of Greenland, Iceland, and Spain, coinciding with the Perseid meteor shower and a prominent Venus. Observers in North America and Europe will experience rare overlapping astronomical events
Hidden White Dwarfs Detected Near Earth in Red Dwarf Binaries
Astronomers have identified four white dwarfs concealed by red dwarf companions within 65 light-years, using ultraviolet observations from the Hubble Space Telescope to reveal these elusive stellar remnants
Part 2 of 2