1–20 of 511 results
Andromeda Galaxy, streaked

Astronomy and Society

Starlink Satellites Don't Impact Science (Yet)

A new study of Starlink satellites’ impact on astronomy gives the community cause for both relief and concern.

3D galaxy map

Cosmology

Astronomy in Pictures: Largest 3D Map of Our Universe and a Stellar Intruder

This week astronomers have announced the completion of the largest 3D map of galaxies across the cosmos, plus exquisite radio observations show what happens when a stellar intruder interrupts planet formation.

Local Bubble lined with stellar nurseries

Milky Way

1,000-light-year "Bubble" Is the Source of All Nearby Baby Stars

Supernovae that carved out the Local Bubble, a cavity around the Sun, have also triggered star formation at the bubble's edges.

Flame Nebula

Stellar Science

The Flames of Orion and a Supergiant Star's End

Astronomers watch starbirth and stardeath, capturing a unique view of a stellar nursery and witnessing a supergiant's supernova.

Map of the Milky Way and the C-19 stellar stream

Milky Way

Astronomers Discover Celestial Ruins on Our Galaxy’s Edge

A stream of stars scattered across 15 degrees of sky was once part of a globular cluster torn apart by our galaxy’s gravity. The stars represent some of the oldest in the Milky Way.

Artist's concept of probe above Alfven surface

Solar System

“Humanity Has ‘Touched’ the Sun”

On its eighth close pass, NASA’s record-breaking Parker Solar Probe entered our star’s atmosphere and “touched” the surface of the Sun.

Artist's concept of giant planet in a far-out orbit

Exoplanets

Giant Planet Imaged Around Massive Stars

Astronomers have imaged a giant planet around a massive pair of stars, a discovery that challenges our notions of how planets form.

Magellanic Clouds

Galaxies

How Our Largest Dwarf Galaxy Keeps the Others In Line

New research may explain why satellite galaxies align themselves around the Milky Way

Portrayal of 'Oumuamua (1I/2017 U1)

Solar System

Can This Near-Earth Asteroid Help Us Understand the First Interstellar Visitor?

Astronomers have observed an object like ‘Oumuamua — but unlike the first known interstellar visitor, this one is in the solar system.

Decadal survey: Origins, LUVOIR, HabEx, Lynx

Astronomy & Observing News

Astronomers Dream Big, Consider Four Future Space Telescopes

The release of the Astro2020 Decadal Survey is imminent, in which four concepts compete to become NASA’s next flagship mission. From exo-Earths to X-rays, what will the future hold?

M51 (Whirlpool Galaxy) with extroplanet candidate marked

Exoplanets

Did We Find a Planet in Another Galaxy?

Astronomers using an innovative method have detected the signal of what could be an extragalactic exoplanet. But confirming its existence will be difficult.

Jupiter's Great Red Spot

Solar System

The Roots of Jupiter’s Great Red Spot Run Deep

NASA’s Juno mission has obtained measurements that finally say just how deep the Great Red Spot goes.

Black hole-powered mushroom cloud in space

Exoplanets

Astronomy in Pictures: Black Holes, Baby Stars, and Magnetic "Tunnels"

Astronomers witness the unfurling of a black hole-powered mushroom cloud, a baby super-Jupiter, and a magnetic "tunnel" around the solar system.

Starlink globe

Science and Space Policy

Streetlights to Satellites: Taking Light Pollution to the United Nations

The United Nations' Office of Outer Space Affairs is considering issues of light pollution spanning from streetlights to satellites.

Apollo 11 photo of Earth with glare from Sun

Science and Space Policy

Did Astronomers See a Distant, Dying Star? Or an Earth-bound Satellite?

What seemed a lucky break — the discovery of a gamma-ray burst in the most distant known galaxy — might instead be the flash of passing space debris. As satellites fill low-Earth orbit, such events might become common.

Most distant quasar

Science-based Q&A

What Is a Quasar?

A quasar is a supermassive black hole gorging on gas in the heart of a distant galaxy.

Molten Ring

Galaxies

60-second Astro News: Magnified Galaxies Provide Window to Early Universe

Astronomers use cosmic magnifying lenses to peer into the universe's distant past.

Superbubble in the Milky Way

Stellar Science

Supernova Blasts Hollowed Out "Giant Cavity" in Space

Some 10 million years ago, dying stars cleared a giant cavity in space and ultimately inspired a new generation of star formation.

Gravitationally lensed supernova, four ways

Stellar Science

60-second Astro News: Solving Supernova Mysteries

This week, astronomers have solved one supernova mystery and predicted a new one — to be solved in 2037.

Clouds in the Milky Way halo (art)

Milky Way

Take a Deep Look into the Milky Way Halo

New analysis shows the best view of the Milky Way halo to date, providing a window into our galaxy's future star formation.

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