Telluric-corrected HARPS observations at the sodium doublet, obtained on two nights nearly one year apart, vertically offset for clarity. In both nights, significant disk line absorption is visible, as well
Advertisement
Advertisement
Featured
Featured
Featured
Featured
Featured
Featured
Featured
Featured
From Gas To Stars Along The Spiral Wave: CO, HCN, And Star Formation Variations Across The Spiral Arms In NGC 4321 And M51
Optical Hubble Space Telescope (HST) images of the targets NGC 4321 (top) and M51 (bottom) overlaid with CO, HCN and SFR contours (from left to right). The CO (HCN) contours
Finding Alien Worlds in Queensland — A Decade of MINERVA-Australis
This image shows the MINERVA-Australis array located at the Mount Kent Observatory in Australia. — NASA Three decades ago, humanity entered the Exoplanet Era, with the discovery of the first
A Single Power Law For The TRAPPIST-1 Flare Distribution Across Four Orders Of Magnitude In Energy
Cumulative flare-frequency distribution of TRAPPIST-1. The cumulative occurrence rate ν(≥ ETESS) is shown as a function of TESS-band flare energy. The K2 FFD from this work is shown in blue,
Phase-Space Crystallization in Galactic Globular Clusters: A Gaia-Based Metric and Implications for Technosignature Searches
Correlations of crystallization metrics with cluster mass, Galactocentric distance, and a dynamical-age proxy. Top row: Cindex versus log(Mcl/M⊙), RGC, and log10(tage/trh). Bottom row: the N⋆-corrected residual index Cresid versus the
Pluto-Like World's Thin Atmosphere Poses a Mystery for Astronomers
Astronomers are puzzling over another oddball on the edge of the solar system: This time, it’s an icy object less than a quarter of Pluto’s size with a thin atmosphere
Stay Informed With the Latest & Most Important News
[mc4wp_form id=314]
Top Headlines
The edge-on profile of the Knife Edge spiral galaxy captured by Ronald Brecher in May 2025. (Image credit: Ronald Brecher) Astrophotographer Ronald Brecher captured a striking image of the Knife
In a significant yet somber chapter in the ongoing saga of lunar exploration, the HAKUTO-R Mission 2, aptly named Resilience, encountered an unfortunate fate during its landing attempt on the
Astronomers have discovered a new type of cosmic explosion they’re calling extreme nuclear transients. They occur when a supermassive black hole eats a star some 10 times the sun’s mass.
Expedition 71 Flight Engineer and NASA astronaut Jeanette Epps poses for a portrait inside the seven-window cupola, the International Space Station’s “window to the world,” while orbiting 259 miles above
The sector-to-sector undetrended PDCSAP light curves of TOI-2285 binned by 30 minutes. The sector number is indicated on the left. The locations of even- and odd-number transits of TOI-2285 b
A thick plume of sand and dust from the Sahara Desert is seen in these images blowing from the west coast of Africa across the Atlantic Ocean. Sandstorms, which are
The Pentagon’s long war with its own procurement bureaucracy is entering a new phase. The Trump administration has directed an overhaul of defense acquisition by accelerating modernization and embracing commercial
The universe is full of spectacular and violent events, but few are more dramatic than a black hole tearing apart a star. Now, thanks to advanced computer simulations, scientists have
Jack Kaye has decided to retire on April 30, 2025, following 42 years of service to NASA – see Photo 1.
Advertisement
Popular Now
-
01Two Black Holes Observed Circling Each Other for the First Time -
02From Polymerization-Enabled Folding and Assembly to Chemical Evolution: Key Processes for Emergence of Functional Polymers in the Origin of Life -
03Astronomy 101: From the Sun and Moon to Wormholes and Warp Drive, Key Theories, Discoveries, and Facts about the Universe (The Adams 101 Series) -
04True Anomaly hires former York Space executive as chief operating officer -
05Φsat-2 begins science phase for AI Earth images -
06Hurricane forecasters are losing 3 key satellites ahead of peak storm season − a meteorologist explains why it matters -
07Binary star systems are complex astronomical objects − a new AI approach could pin down their properties quickly
Scroll to Top