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Perseverance Captures Earth Vanishing Behind Phobos

Composite of seven images showing a tiny bright dot representing Earth passing behind the dark crescent shape of the Martian moon Phobos against a black background.

NASA's Perseverance rover captured the first-ever observation from another planet of Earth disappearing behind an object, the Martian moon Phobos.

  • BySandy
  • OnAugust 16, 2026
  • Astronomy

Four Telescopes Solve Tarantula Nebula’s Missing Energy

Multicolor composite image of the Tarantula Nebula showing blue X-ray emission, red infrared young stars and dust, and green optical hydrogen gas woven through a honeycomb-like star-forming structure.

A four-telescope composite of the Tarantula Nebula reveals up to half its hot gas is leaking out through the star-forming region's shell walls.

  • BySandy
  • OnAugust 16, 2026
  • Astronomy

Chandra, Webb, and Hubble Reveal Tarantula Nebula’s Missing Energy

Multiwavelength composite image of the Tarantula Nebula combining X-ray data from Chandra, infrared data from Webb, and optical data from Hubble

A new Chandra, Webb, and Hubble composite of the Tarantula Nebula helped astronomers determine that up to half its hot, stellar-wind-heated gas is escaping undetected.

  • BySandy
  • OnAugust 15, 2026
  • Astronomy

New MOTHRA Telescope Reveals Bow Shocks in the Helix Nebula

Hubble Space Telescope composite image of the Helix Nebula, a glowing ring of gas and dust surrounding a central white dwarf star

A Yale-led team using the new MOTHRA telescope found 22 bow shocks in the Helix Nebula's outer halo, capturing dying-star debris being broken apart in real time.

  • BySandy
  • OnAugust 15, 2026
  • Astronomy

Webb Finds Dust and Water Near Milky Way’s Black Hole

James Webb Space Telescope NIRCam and MIRI image of the evolved star IRS 3 and its surrounding field near the Milky Way's galactic center

The James Webb Space Telescope detected dust and water forming around the aging star IRS 3, located just 0.55 light-years from the Milky Way's central black hole.

  • BySandy
  • OnAugust 14, 2026
  • Skywatching

NASA Chases the Shadow of the August 2026 Total Solar Eclipse

Total solar eclipse seen from San Millan de los Caballeros, Spain on August 12, 2026

As a total solar eclipse crossed Greenland, Iceland, and Spain on August 12, 2026, NASA flew a high-altitude jet and dozens of scientific balloons to study the Sun's corona and its effects on Earth's atmosphere.

  • BySandy
  • OnAugust 14, 2026
  • Astronomy

ALMA Traces Trillion-Mile Gas Streamer Feeding GW Orionis

Artist's representation of a gas streamer feeding the GW Orionis protoplanetary disk and misaligning its dust rings

ALMA observations show a 1-trillion-mile gas streamer feeding GW Orionis is aligned with the tilted outer ring of its planet-forming disk, University of Florida astronomers report.

  • BySandy
  • OnAugust 14, 2026
  • Astronomy

Webb Data Reveal Uncatalogued Gravitational Arc in MACS J0308.9+2645

JWST NIRCam image of galaxy cluster MACS J0308.9+2645 containing gravitational arc candidate A1

An independent search of archival JWST imaging uncovered a previously uncatalogued gravitational arc in the massive cluster MACS J0308.9+2645, now under review for publication in a Japanese journal.

  • BySandy
  • OnAugust 14, 2026
  • Science

Ten Years of Stellar Occultations Show Pluto’s Atmosphere Thinning

New Horizons image of Pluto's atmospheric haze layers

A decade of stellar occultation observations, led by the Planetary Science Institute, show Pluto's atmospheric pressure has dropped by up to 16 percent since 2021.

  • BySandy
  • OnAugust 14, 2026
  • Missions

NASA’s Lucy Spacecraft Tests Cameras Ahead of 2027 Trojan Flybys

Four-panel collage of Lucy spacecraft images showing Trojan asteroids against starfields

NASA's Lucy spacecraft photographed Trojan asteroids Eurybates, Polymele, Leucus, and Orus from hundreds of millions of miles away, testing cameras ahead of its 2027 flybys.

  • BySandy
  • OnAugust 14, 2026
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