Dark Energy

NASA is set to launch the Nancy Grace Roman Space Telescope to study dark energy and dark matter, which may also aid in detecting potentially hazardous asteroids. The U.S. is considering banning Chinese data center components as part of broader tech import curbs.

NASA's Nancy Grace Roman Telescope is set to launch in late August, aiming to study dark matter, dark energy, and discover exoplanets. The telescope was completed early and under budget, marking a significant advancement in astrophysics.

The universe's expansion, known since the 1930s, was discovered to be accelerating in the 1990s, leading to the proposal of dark energy as the cause. This acceleration remains a major mystery in cosmology.

A controversial paper challenges the existence of dark energy, claiming analysis of supernovae data shows the universe's expansion is not accelerating, eliminating the need for dark energy as an explanatory force.

NASA’s Nancy Grace Roman Space Telescope, launching soon, will use an active coronagraph to block starlight and capture images of exoplanets similar to those in our solar system. It features a 300-megapixel camera for wide-field imaging and aims to study dark matter, dark energy, and detect thousands of new exoplanets.

The Dark Energy Survey (DES) has released final results following the Dark Energy Spectroscopic Instrument (DESI) study, which suggested dark energy might not be constant. The article highlights the importance of combining scientific studies to strengthen understanding of cosmic expansion and dark energy.

The Vera C. Rubin Observatory, housing the largest digital camera ever built, has begun a decade-long survey of the southern sky from a Chilean mountaintop. The project aims to map billions of stars and galaxies, study dark matter and dark energy, and capture repeated images to detect faint celestial objects.

The Vera C. Rubin Observatory, the largest digital camera ever built, has begun a decade-long survey of the universe from a Chilean mountaintop. It aims to map billions of stars and galaxies, study dark matter and dark energy, and capture repeated images of the southern sky to detect faint celestial objects.

A new AI-powered framework is set to enhance astronomers' ability to measure the Universe's expansion by analyzing Type Ia supernovae with high accuracy. The method is tailored for data from the upcoming Vera C. Rubin Observatory and aims to improve understanding of dark energy.

Euclid has captured the most detailed photo yet of the Milky Way's heart as part of a mission to map one-third of the sky. The mission aims to investigate the mysteries of dark matter and dark energy.

Dark energy is still accelerating the expansion of the universe, and astronomers are relieved. They express gratitude for having averted a potential crisis related to cosmic expansion.

The article explores the possibility of a dark dimension connecting dark energy and dark matter, which together account for approximately 95% of the universe. Dark energy, making up about 70%, drives cosmic expansion, while dark matter, comprising 25%, helps maintain galaxy structure.

A new theoretical study suggests that collapsing massive stars might create tiny new universes driven by dark energy, forming exotic objects called gravastars instead of black holes. The collapse could generate a miniature cosmos that expands and resists gravitational collapse.

Season Five of 'The Joy of Why' explores bold scientific questions, including the future of CRISPR gene editing, AI's impact on mathematics, the search for extraterrestrial civilizations, and potential misunderstandings about dark energy. Mathematician Steven Strogatz and physicist Janna Levin return as hosts.

The article explores the origins of stars and light, and questions whether dark energy, a hidden sector of particles and forces, influences the cosmos.

The mystery of dark energy may be shed light on by 'cannibal stars,' AI and the Rubin Observatory. This phenomenon involves a white dwarf star feeding on a stellar companion prior to a Type 1a supernova. The study of these events could provide insights into dark energy.

Scientists have completed the largest high-resolution 3D map of the universe using data from 47 million galaxies and quasars, potentially revealing new insights into dark energy. The DESI collaboration overcame challenges like wildfire disruptions to create this dataset, which suggests dark energy may behave unexpectedly.

Scientists are investigating why the Universe behaves differently on massive scales compared to the solar system, with theories pointing to dark energy or a hidden 'fifth force'. Observations of distant galaxies suggest gravitational anomalies not seen locally, where Einstein's laws remain consistent.

Researchers have created a massive 3D map of dark energy using DESI, with Earth at the center and each point representing a galaxy. This map is being used to study the mysterious force of dark energy.

Researchers have created the most comprehensive 3D map of the universe using DESI's tool, enabling detailed study of dark energy. The map centers on Earth with each point representing a galaxy, marking a significant advancement in cosmological research.

The DESI collaboration completed a high-resolution 3D map of the Universe, offering new insights into dark energy's potential variability. The map, built using advanced spectroscopic techniques, may help confirm or refute earlier hints of time-varying dark energy properties.

Scientists have found the universe's expansion rate to be faster than predicted, yet the cause remains unknown. This discovery challenges existing cosmological models and highlights a major unresolved mystery in astrophysics.