HomeThe Astronomical Journal

The Astronomical Journal

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Space

Webb telescope reveals Fiery origins and chemical secrets of distant giant planets

Pranjal Malewar

Webb images young, giant exoplanets, detects carbon dioxide.

PDS-70-system
Space

Witnessing the birth of planets: Webb provides unprecedented window

Amit Malewar

An unprecedented window into the formation of planets around young star systems.

Aesthetic background with abstract neon led light effect
Space

A novel antenna design can measure faint cosmological radio-frequency signals

Amit Malewar

A first step towards detection of such a signal.

hot Neptune
Space

NASA discovery: A ‘Hot Neptune’ discovered in a scorching close orbit

Amit Malewar

It is the fourth object of its kind ever found.

Digel Cloud 2S
Space

JWST examined the outskirts of our Milky Way galaxy

Amit Malewar

Within the Milky Way’s outskirts is a firecracker show of star formation.

Illustration of the highest-resolution detections ever made from the surface of Earth
Space

Breakthrough: EHT achieves highest-resolution observations from Earth’s surface

Amit Malewar

In future they will be able to make black hole images that are 50% more detailed.

Illustration of Exoplanet 55 Cancri e and Its Star
Space

Astrophysicist Discovers Fiery, Volcanic Planet 66 Light Years Away from Earth

Amit Malewar

UC Riverside's astrophysicist, Stephen Kane, has made a groundbreaking discovery. He has found a planet called HD104067.01 that is situated in a star system...

planet-forming disk
Space

Webb captures the end of planet formation

Amit Malewar

How much time do planets have to form from a swirling disk of gas and dust around a star?

supermassive black hole in NGC 3783
Space

JWST identified neon signs that offer clues to planet formation

Amit Malewar

Using the noble gases neon and argon.

James Webb Science Telescope
Space

Webb image techniques reveal faint features in galaxy NGC 5728

Amit Malewar

Modern age JWST image development techniques.

Kepler-10 b
Space

Astronomers discovered an earth-sized planet with ‘Lava Hemisphere’

Amit Malewar

Discovery alert!

30 Doradus B
Space

NASA’s Chandra offers evidence for at least two explosions tied to the supernova remnant

Amit Malewar

A new image of 30 Doradus B contains X-rays, optical, and infrared data.

Star Cluster IC 348 (NIRCam image)
Space

New record holder: Webb identifies tiniest free-floating brown dwarf

Editorial Team

Brown dwarfs are sometimes called failed stars, since they form like stars through gravitational collapse, but never gain enough mass to ignite nuclear fusion....

two orbiting planets exhibit a slight tilt
Space

Planets in pristine solar systems also have some orbital tilt

Amit Malewar

The discovery provides valuable information about early solar system development.

red dwarf star AU Microscopii
Space

Evaporating planet getting the hiccups, sees Hubble

Amit Malewar

A young planet whirling around a petulant red dwarf star is changing in unpredictable ways orbit-by-orbit.

The Shape of the Milky Way's Halo of Stars Realized
Space

A new study has revealed the true shape of the Milky Way’s halo of stars

Amit Malewar

The tilt in our stars.

Artist impression of ultra fluffy gas giant planet orbiting a red dwarf star
Space

Astronomers observed an unusual Jupiter-like planet orbiting a cool red dwarf star

Editorial Team

'Marshmallow' World Orbiting a Cool Red Dwarf Star

gravitational lenses from the AGEL survey
Space

Dozens of newly discovered gravitational lenses could reveal ancient galaxies and the nature of dark matter

Amit Malewar

Thousands more potential lenses await assessment.

TOI-1452 b
Space

Astronomers discovered an exoplanet that could be covered entirely in water

Amit Malewar

An extrasolar world covered in water?

Vega is the fifth brightest star
Space

A giant, scorching-hot planet discovered orbiting Vega

Amit Malewar

Astronomers unearthed a curious signal that could be the star’s first-known world.

This figure shows the dust rings around young stars captured by the Gemini Planet Imager Exoplanet Survey, or GPIES. The rings show a diversity of shapes and sizes, made more extreme by the different projections of the rings on the sky.
Space

The largest collection of sharp, detailed images of debris disks around young stars

Amit Malewar

Astronomers recently released the most extensive collection of sharp, detailed images of debris disks around young stars. Over four years, a precision instrument took...

Incredibly rare new Super-Earth planet discovered
Space

Incredibly rare new Super-Earth planet discovered

Amit Malewar

Astronomers at the University of Canterbury (UC) have discovered new ‘one in a million’ Super-Earth planet towards the center of the galaxy. The planet...

Space

Planets as fluffy as cotton candy

Amit Malewar

Behold the super-puffs.

A newly discovered exoplanet is located within the “habitable zone,” where liquid water may exist on the planet’s surface. Courtesy of NASA’s Goddard Space Flight Center/Francis Reddy
Space

Citizen scientist just discovered a planet twice the size of earth

Pranjal Malewar

A research team that included a UChicago graduate student has discovered a planet that is estimated to be twice the size of earth. The planet...

Scientists Discovered a New Approach for Detecting Planets in the Alpha Centauri System
Space

A New Approach for Detecting Planets in the Alpha Centauri System

Editorial Team

Yale astronomers have taken a fresh look at the nearby Alpha Centauri system and discovered better approaches to limit the look for livable planets...

This illustration shows how scientists used data from NASA's WISE spacecraft to determine the nucleus sizes of comets. They subtracted a model of how dust and gas behave in comets in order to obtain the core size. Credits: NASA/JPL-Caltech
Space

Scientists Found Seven Times More Massive Comets in Our Solar System

Amit Malewar

A team led by researchers at NASA's Jet Propulsion Laboratory has recently found more large comets in our Solar System. Scientists describe them as massive icy wanderers. Scientists...

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