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Earth, reDSCOVRed

Exoplanets

How to Image an Exoplanet with Just a Few Pixels

Using Earth as an example, astronomers are testing a new technique that could image rocky exoplanets without resolving them.

a white planet with orange and green strip against a black background

Exoplanets

First Look at an Unusual Exoplanet’s Atmosphere

AAS Nova reports on a "super-puff" exoplanet that's nearly 15 times less dense than Jupiter.

Proxima d

Exoplanets

New Planet Discovered Around Proxima Centauri, Star Nearest the Sun

A new instrument on a powerful telescope has enabled astronomers to discover another planet around our nearest stellar neighbor.

a dark purple orb is half illuminated by a bright white, smaller orb to its left

Exoplanets

Astronomers Watch the Making of a Super-Earth

Gaseous mini-Neptunes may become rocky super-Earths when they lose their atmospheres. Now, astronomers have caught that process in action.

Exoplanets

Exoplanet Hunter Racks up 5,000 “Objects of Interest”

Since its 2018 launch, the unassuming TESS satellite has found 175 confirmed exoplanets (so far) among 5,000 “objects of interest.”

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.

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.

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.

Exo-Neptune AU Mic b (art)

Exoplanets

Infant “Hot Neptune” Provides Clues to Its Birth

How’d a nice young ice giant end up in such a hot orbit? Scientists investigate the mysterious exoplanet AU Microscopii b.

Star with planet

Stellar Science

Astro News: Planet-eating Stars and an Accidental Brown Dwarf

This week in astronomy news: A citizen scientist happens upon a weird, ancient brown dwarf and astronomers discover that Sun-like stars eat their own planets.

Stellar Science

Red Dwarfs Aren’t So Bad (For Planets) After All

Red dwarf stars appear to flare preferentially at high latitudes, which might keep their exoplanets habitable instead of hellish.

Illustration of WASP-79b

Exoplanets

A Pileup of Perpendicular Planets

In some planetary systems, the direction that a star spins and the direction its planets orbit don’t always line up. A new study explores what we can learn from these nonconformists.

Exoplanets

NASA’s Kepler Finds Outcast Earths

Astronomers uncovered four new Earth-mass rogue planet candidates by searching for microlensing events observed with Kepler.

Far-out exoplanet YSES 2b

Exoplanets

Far-out Gas Giant Exoplanet Puzzles Astronomers

Astronomers have discovered a super-Jupiter orbiting its young star on a surprisingly wide orbit. How did it get there?

An Artist's impression of WASP-107b

Exoplanets

Spotting a Faint Escaping Atmosphere

Low-density exoplanets orbiting close to their host stars tend to lose their atmosphere. Now, astronomers can measure how fast it disappears.

Astronomy & Observing News

This Week in Astronomy Pictures: A Magnetic Whirlpool, Windblown Jets & More

Whether you're here for eye candy or a more cosmic perspective, these astronomy pictures released this week will do the trick.

Exoplanets

Rocky Planet Found Around 10 Billion-Year-Old Star

Astronomers have found an Earth-size (but not at all Earth-like) planet around an ancient star that has a nice high view of our galaxy.

Kepler concept

Exoplanets

Earth-size Planets Are Common, Kepler Retrospective Finds

A new, full analysis of Kepler data finds at least 300 million Earth-size planets in the habitable zone around Sun-like stars in our galaxy.

ALPINE galaxies

Exoplanets

60-second Astro News: Mature Infant Galaxies & A Possibly Rogue Planet

This week in astronomy news: Distant galaxies that look older than they are and a terrestrial planet that might be drifting through our galaxy.

Two giants orbit a Sun-like star

Exoplanets

First Image of a Young Sun and Two Giant Planets

For the first time, astronomers have imaged multiple planets orbiting a Sun-like star.

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