Astronomy and space Archives – Page 10 of 291

Astronomy and space

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New coronagraph pushes exoplanet discovery to the quantum limit

Two images of the Martian sky. The sky in the left-hand image, taken during an aurora, has a faintly greenish tinge. The sky in the right-hand image, taken on a night without an aurora, is more grey-brownish. The dark outline of Martian hills is visible in both images. The non-aurora image also contains a bright white light in the top right corner, which is the moon Deimos

This is what an aurora looks like on Mars

Image is the first taken on the surface of another planet, and the first visible-light aurora image from anywhere other than Earth

Plasma physics sets upper limit on the strength of ‘dark electromagnetism’

Result could force a rethink on basic models of dark matter, say researchers

Latest news

Euclid mission spots 26 million galaxies in first batch of survey data

The dataset includes a catalogue of 380,000 galaxies that have been detected by artificial intelligence or citizen-science efforts

‘Milestone’ as Square Kilometre Array Observatory releases its first low-frequency image of the cosmos

The new SKA-Low image was created using 1024 two-metre-high antennas

NASA launches $488m megaphone-shaped SPHEREx observatory to map the universe

Craft will plot the distribution of galaxies to better understand cosmic inflation

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Research headlines

Smartphone sensors and antihydrogen could soon put relativity to the test

The cosmic microwave background, as imaged by the European Space Agency’s Planck mission

Loop quantum cosmology may explain smoothness of cosmic microwave background

Photo of Jian-Xiang Qiu and Suyang Xua posing with the apparatus they used to detect axion quasiparticles. The apparatus comprises lasers and other components mounted on an optical table. They're wearing laser safety glasses.

Axion quasiparticle appears in a topological antiferromagnet

Exoplanet could be in a perpendicular orbit around two brown dwarfs

Observation expands the diversity of known planetary systems

New research suggests gravity might emerge from quantum information theory

Theoretical study offers novel insights into the nature of spacetime and matter interactions

Solar wind burst caused a heatwave on Jupiter

New analysis of 2017 data suggest that the Jovian atmosphere is not as self-contained as scientists thought

Top-quark pairs at ATLAS could shed light on the early universe

Massive particles reveal properties of the quark–gluon plasma

KATRIN sets tighter limit on neutrino mass

New maximum for notoriously shy particle is 0.45 eV – 1 million times less than the electron

Helium nanobubble measurements shed light on origins of heavy elements in the universe

Particle-accelerator study focuses on the r-process thought to be responsible for forming elements heavier than iron

Explore more in astronomy and space

illustration of an astronomical explosion

Beyond the Big Bang: reopening the doors on how it all began

Emma Chapman reviews Battle of the Big Bang: The New Tales of Our Cosmic Origins by Niayesh Afshordi and Phil Halper

Spectacular images of the cosmos released to celebrate Hubble’s 35 years in orbit

A series of spectacular images of the cosmos has been released to celebrate the Hubble Space Telescope's 35 years in space

Photon collisions in dying stars could create neutrons for heavy elements

Simulations shed light on the r-process of nucleosynthesis

DESI delivers a cosmological bombshell

“Phantom” dark energy existed long ago, observations suggest

Artist's impression of the gravitational wave and electromagnetic radiation signals from a distant binary neutron star merger arriving at Earth. The image shows the Earth floating in space with a telescope hovering above it in the bottom left corner, while in the top right corner a pair of bright spots are emitting ghostly blue waves

AI speeds up detection of neutron star mergers

New approach could aid “multimessenger” astronomy by quickly locating sources of gravitational waves emitted during these cosmic events

Graph showing a neutral current interaction in the NOvA Far Detector

Sterile neutrinos are a no-show (again)

Hypothetical fourth neutrino flavour is absent from new data from Fermilab's NOvA experiment

James Webb Space Telescope spots spectacular auroras on Neptune

Measurements represent the first direct detection of auroras on the planet

Composite image showing photos of PTB's ion traps and the PENTATRAP Penning trap mass spectrometer at MPIK in Heidelberg superimposed over a grid of blue, black and pink squares labelled with the name and mass number of different isotopes. Some of the black squares are raised, and these are the ytterbium isotopes the team studied

Atomic anomaly explained without recourse to hypothetical ‘dark force’

Effect observed in 2020 arises from changes in nuclear structure, not new physics

Artistic impression of the exoplanet Trappist-1 b

The enigma of Trappist-1 b: a thick atmosphere or airless rock?

Thermal emission measurements from the exoplanet Trappist-1 b suggest two plausible yet contradictory scenarios

Responses to dust injections of 400 million tonnes from a Bennu-type asteroid impact

How would an asteroid strike affect life on Earth?

New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision

Firefly Aerospace’s Blue Ghost mission achieves perfect lunar landing

Firefly Aerospace claims to be the first commercial company to achieve a ‘fully successful soft-landing on the Moon'

Two images of the black hole M87*'s shadow. The image at left is dated 11 April 2017, and shows a bright orange fuzzy ring around a dark centre. The ring is slightly brighter at the left and markedly brighter at the bottom. The image at right is dated 21 April 2018, and shows a similar ring, but much brighter at the bottom right, and dimmer at the top left

Black hole’s shadow changes from one year to the next

New analyses advance understanding of complex dynamic processes governing black holes

US-led missions launched to investigate the Moon’s water

Athena will test water-extraction methods while Lunar Trailblazer will map water deposits

Artist’s impression of supersonic winds on WASP-127b. The image shows a Jupiter-like gas giant planet with clouds that are blue-grey at the poles, reddish at medium latitudes, and white and windblown near the equator

Astronomers create a ‘weather map’ for a gas giant exoplanet

Supersonic winds and water vapour feature in new study of WASP-127b

Ultrahigh-energy neutrino detection opens a new window on the universe

Particle could have been created by a blazar or a cosmic collision

Curled lock of the volcanic material Pele's hair

Threads of fire: uncovering volcanic secrets with Pele’s hair and tears

Hear from volcanologists about these stunning geological phenomena and the thrill of working in volcanic landscapes

Two images from a simulation showing protons at energies of 100 keV and 10 keV penetrating different layers of a solar cell. Both images mark out the six layers of the solar cell, with the organic layer as the third layer down. The proton penetration is shown white on the black background, and for the 100 keV image, it takes the appearance of a pine tree in a snow storm as the protons trace out a cascade of triangles through all of the solar cell's layers. The 10 keV protons image looks like a hairy-looking ball concentrated in the silver top layer with stray strands stretching into the organic layer

Organic photovoltaic solar cells could withstand harsh space environments

Study challenges long-standing belief that OPV devices systematically degrade when irradiated

European Space Agency’s Euclid mission spots spectacular Einstein ring

The ring is due to the gravitational effects of a galaxy located around 590 million light-years from Earth

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