Science

NOAA‑20 Misses Ground Contact, Causing One‑Orbit Delay in Weather Data

NOAA reports a brief delay in stored mission data from polar satellite NOAA‑20 after an April 6 ground contact miss; engineers expected recovery on a later pass.

#noaa, #weather, #satellites, #satelliteops

Ocean 'Dead Zones' Are More Dynamic Than Thought, Revealed by Advanced Robot Sensors

New analysis of ocean robots uncovers dynamic nitrogen cycles in Pacific oxygen-deficient zones, impacting climate and marine life.

#oceanography, #nitrogencycle, #climatechange, #biogeochemicalargo, #deadzones

Earth-Facing Sunspot Sparks Powerful M7.5 Solar Flare, Causing Brief Radio Blackout

An M7.5 flare from Earth-facing active region 4409 triggered an R2 radio blackout but no major geomagnetic storm after no significant CME followed.

#spaceweather, #solarflare, #sunspots, #noaa, #aurora

Sungrazing Comet MAPS Skims the Sun, Leaving Astronomers Waiting to See if It Survived

Comet C/2026 A1 (MAPS) whipped just 150,000 km above the Sun. Spacecraft images in coming days will reveal whether it held together.

#comet, #astronomy, #sun, #nasa, #space

Global Ocean Temperatures Near Record High as 2026 Spike Arrives Without El Niño Boost

Preliminary data show sea surface temperatures near record highs in March 2026 despite neutral Pacific conditions, raising risks for storms and reefs.

#climatechange, #oceantemperatures, #marineheatwaves, #coralbleaching, #hurricaneseason

Gravitational-wave catalog reveals long-predicted ‘missing’ range in black hole masses

Analysis of dozens of LIGO-Virgo-KAGRA mergers finds evidence for the pair-instability mass gap, linking black hole sizes to stellar deaths.

#gravitationalwaves, #blackholes, #ligo, #astrophysics, #stars

CERN’s LHCb Spots New ‘Heavy Proton,’ Settling a 20-Year Particle Dispute

Upgraded LHCb confirms the doubly charmed baryon Ξcc⁺ at 3,620 MeV, matching theory and undercutting a disputed 2002 SELEX claim.

#cern, #lhc, #particlephysics, #quarks, #qcd

Nature study warns 2°C warming could still bring extreme drought, fires and floods

A new Nature study finds that even at 2°C warming, worst-case climate models show 4°C-level risks for crops, forests and cities.

#climatechange, #globalwarming, #extremeweather, #drought, #wildfires

NASA’s Artemis II Prepares to Send Astronauts Around the Moon for the First Time Since 1972

Artemis II aims to launch four astronauts on a 10-day lunar flyby, testing SLS and Orion amid cost, safety and geopolitical pressure.

#nasa, #artemis, #moon, #spaceflight, #orion

Geomagnetic Storm Sparks Rare Aurora Sightings Far From the Poles

A CME-driven G3 geomagnetic storm on March 20–21 sent vivid auroras as far south as Wyoming and central Europe, with limited impacts reported.

#aurora, #spaceweather, #solarcycle25, #geomagneticstorm

Stanford Researchers Turn Protein Fragments Into DNA for Sequencer-Based Proteomics

A Stanford team reports “reverse translation,” encoding peptides into barcoded DNA readable on standard sequencers—promising single-molecule proteomics beyond mass spec.

#proteomics, #dnasequencing, #stanford, #biotechnology, #singlecell

Global ‘evolution gardens’ show plants can adapt to warming—until heat pushes them past a tipping point

In a five-year global experiment, Arabidopsis evolved fast in many climates—but populations in the hottest sites collapsed, revealing limits to adaptation.

#climatechange, #evolution, #plantscience, #biodiversity