20 articles
Scientists explore using orbital mirrors to light up the night, while the aging Voyager probes near the end of their journey. The James Webb Space Telescope continues its search for habitable exoplanets, facing challenges in detecting atmospheres.
New research suggests our Sun, long considered a typical star, might be more unusual than previously thought. This finding impacts our understanding of life's prevalence in the universe and the search for habitable exoplanets.
The Vera C. Rubin Observatory's vast data is now publicly accessible, empowering astronomers worldwide to make new discoveries. Innovations in star shades and spacesuits promise to accelerate our exploration of exoplanets and the solar system.
New research suggests the Habitable Worlds Observatory needs to observe wavelengths around 1.52 to 1.68 microns to effectively detect key biosignatures like carbon dioxide, water, and methane on Earth-like exoplanets. This optimal range avoids the need for complex telescope cooling systems.
The ambitious LUVOIR telescope concept, designed to search for life on exoplanets, is currently in a state of uncertainty. While not actively in development, its goals continue to drive future space observatory designs and the ongoing quest to find life beyond Earth.
Astronomers are uncovering cosmic surprises, from planetary systems that defy formation rules to the echoes of the Moon's birth in distant star systems. Discoveries include a peculiar planetary arrangement, a hot Earth-sized world offering atmospheric insights, and a spectacular planetary collision. Meanwhile, new technologies aim to capture asteroids, and recent findings shed light on lunar magnetic fields and the intense radiation risks on Mars. Finally, a seven-hour gamma-ray burst and the chaotic dance of dwarf galaxies reveal the universe's dynamic and often violent nature.
Astronomers have identified a new class of exoplanets, 'sulfur worlds,' characterized by sulfur-rich atmospheres and potential magma oceans. The Vera C. Rubin Observatory is now sharing its sky alerts publicly, and the James Webb Space Telescope's latest mission proposals have been revealed. Updates on the Artemis missions and new evidence for asteroid material transfer are also discussed.
A groundbreaking proposal envisions a 99-meter starshade orbiting Earth, capable of blocking starlight to reveal exoplanets for powerful ground-based telescopes. Meanwhile, new analysis of the DART mission's final moments offers visual proof of asteroid moon formation, and cosmic tension persists as scientists refine the age of the universe.
Astronomers, astrophysicists, and cosmologists employ diverse methods to study the universe, from observing distant galaxies to understanding cosmic origins. Access to powerful telescopes like JWST is competitive, requiring strong scientific proposals. Neutrinos offer early warnings for supernovae, while planetary gravity poses a significant challenge for space exploration.
The Vera C. Rubin Observatory has begun its mission to map the southern sky, making it the most promising tool yet to discover the hypothetical Planet Nine. The observatory is also shedding light on exoplanet detection and the science behind telescope interferometry and galaxy imaging.
