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NASA illustration of the two TRACERS spacecraft flying above Earth while they study magnetic reconnection near the polar cusp — NASA content used factually with NASA attribution under the NASA Images and Media Usage Guidelines; no third-party credited image reused: NASA Science

World Explained · Science and technology

How did TRACERS find that magnetic reconnection varies across space more than time?

TRACERS compared twin spacecraft in Earth's polar cusp. Its first results suggest spatial variability in magnetic reconnection exceeded temporal change; more encounters are needed.

2 November 2026 · 4 min readRead story →

Artemis II crew photograph of the Moon's cratered surface at the lunar terminator, used as real lunar context for a planned PRISM investigation — NASA factual editorial use with NASA acknowledgement and no implied endorsement; exact source page and asset provenance recorded: NASA / Artemis II crew

World Explained · Science and technology

How three NASA instruments will prepare the Moon for long-term science

NASA selected three future lunar payloads to track hazards, test a possible lava tube and measure hidden ice. Here is what each could establish—and what remains unproven.

1 November 2026 · 5 min readRead story →

A composite of eight Euclid VIS exposures showing comet C/2026 S1 as a bright coma against a dark field — CC BY-SA 3.0 IGO or ESA Standard Licence; preserve the named credit and do not imply endorsement: ESA/Euclid/Euclid Consortium/NASA, M. Pöntinen et al. 2026

World Explained · Science and technology

How did Euclid find a comet while mapping the distant Universe?

ESA's Euclid found comet C/2026 S1 by combining moving-object software with repeated VIS images, ground follow-up and an official Minor Planet Center record.

29 October 2026 · 4 min readRead story →

NASA scientific visualization showing Lucy's trajectory entering the L4 region of Jupiter's Trojan asteroids — NASA editorial/informational media-use guidance; retain the NASA SVS and visualizer credit, do not use NASA insignia and do not imply NASA endorsement: NASA/GSFC Scientific Visualization Studio; visualization by Kel Elkins (Science and Technology Corporation)

World Explained · Science and technology

How will NASA's Lucy read the early Solar System in Jupiter's Trojan asteroids?

NASA's Lucy will fly past Trojan asteroids from 2027 onward, measuring their surfaces, compositions and masses to test how the outer Solar System formed.

29 October 2026 · 4 min readRead story →

NASA photograph of a full-scale non-nuclear flight-like engineering development unit for nuclear propulsion being prepared for cold-flow testing — NASA media content used for factual editorial coverage with source acknowledgement under NASA Images and Media Guidelines; no endorsement implied: NASA/Adam Butt

World Explained · Science and technology

How could nuclear power and propulsion change what spacecraft can do in deep space?

Radioisotope heaters, fission power and nuclear propulsion do different jobs in deep space. NASA's current programme separates development from flight evidence.

29 October 2026 · 5 min readRead story →

NASA/Charles Beason photograph of engineers inspecting the 6U ASCENT dual-mode propulsion hardware in a clean room at Marshall Space Flight Center — NASA factual editorial image used with the named credit under NASA Images and Media Guidelines; no NASA or partner endorsement implied: NASA/Charles Beason

World Explained · Science and technology

How does NASA's ASCENT CubeSat use one tank for two kinds of thrust?

NASA's ASCENT CubeSat feeds one chemical and four electrospray thrusters from one propellant supply; its in-space performance remains unreported.

28 October 2026 · 4 min readRead story →

NASA photograph of a KREPE-3 re-entry capsule floating inside the Cygnus NG-24 cargo spacecraft before re-entry — NASA media content used for factual editorial coverage with source acknowledgement under NASA Images and Media Guidelines; no endorsement implied: NASA

World Explained · Science and technology

How did KREPE-3 use a cargo ship's re-entry to test heat shields?

KREPE-3 sent twelve small capsules through re-entry to measure heat-shield conditions—and show what a real flight test can and cannot prove.

27 October 2026 · 4 min readRead story →

NASA's NEO Surveyor sunshade and solar-array panels mounted on an assembly ring during a clean-room inspection — NASA-hosted factual editorial image; preserve the named BAE Systems credit, do not imply endorsement and do not present the pre-launch hardware as an in-space observation: BAE Systems Space & Mission Systems

World Explained · Science and technology

How will NEO Surveyor find asteroids that visible light misses?

NASA's planned NEO Surveyor will use two infrared bands to find asteroids that reflect little visible light—and estimate their size without treating every detection as a hazard.

27 October 2026 · 5 min readRead story →

Original explanatory diagram showing solar wind flowing toward Earth, the curved magnetopause and a spacecraft viewing the boundary from outside — Original Curiosity Desk explanatory artwork; no third-party visual reproduced: Curiosity Desk original explanatory diagram

World Explained · Science and technology

How will SMILE image the invisible boundary between Earth and the solar wind?

SMILE will study Earth's magnetopause with soft X-rays, ultraviolet, particle and magnetic measurements—while its first good boundary image remains unconfirmed.

27 October 2026 · 4 min readRead story →

NASA's James Webb Space Telescope view of NGC 7129 showing a golden cavity, blue dust, red shocked gas and protostellar outflows around young stars — NASA/ESA/CSA/STScI editorial image; factual use with required credit under NASA media guidance; third-party rights preserved: NASA, ESA, CSA, STScI; Image Processing: Alyssa Pagan (STScI)

World Explained · Science and technology

How do young stars carve cavities in the clouds where they form?

Webb's NGC 7129 image shows how outflows, shocks and starlight reshape a stellar nursery—and why one striking cavity is not a universal star-formation recipe.

26 October 2026 · 4 min readRead story →

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