Astronomy

Latest about Astronomy

An illustration of the Tatooine-like planet HD 143811 AB b as it orbits its twin parent stars

Astronomers discover images of a Tatooine-like exoplanet with a bizarre orbit hidden in 10-year-old data

By Robert Lea published

The planet formed 50 million years after the dinosaurs died, making it incredibly young in cosmic terms.

Exoplanets
A small brown exoplanet is seen in space to the right of a sun-like star

James Webb Space Telescope finds strongest evidence yet for atmosphere around rocky exoplanet: 'It's really like a wet lava ball'

By Sharmila Kuthunur published

Astronomers have found the strongest evidence yet of an atmosphere around a rocky exoplanet.

Exoplanets
A close up of the surface of Mars showing blue dunes with streaks of ancient river basins between the dunes

Scientists map of old Mars river basins for the 1st time. These could be great places to search for ancient life

By Sharmila Kuthunur published

"We did the simplest thing that could be done — we just mapped them and pieced them together."

Mars
A glowing spiral galaxy with pink and purple and yellow gas swirls around small dots of young stars in space

Hubble sees 'Lost Galaxy' in the Virgo constellation | Space photo of the day for Dec. 11, 2025

By Kenna Hughes-Castleberry published

This stunning image is full of young star clusters.

Hubble Space Telescope
A white light of the comet 3I/ATLAS is surrounded by a blue glow against a black background

Interstellar comet 3I/ATLAS caught on camera in new images from Hubble Space Telescope and JUICE Jupiter probe

By Sharmila Kuthunur published

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

Comets
An illustration of the twin tails of WASP-121b

James Webb Space Telescope discovers a hot Jupiter exoplanet leaking twin gas tails that defy explanation

By Robert Lea published

"We are only beginning to discover the true complexity of these worlds."

Exoplanets
Perihelion is when there is the shortest distance between Earth and the sun.

Perihelion: What is it and when does it occur?

By Tereza Pultarova last updated

Reference Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).

Reference

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference
A series of rows of deep space images showing various white shapes of galaxy mergers

How do you activate a supermassive black hole? A galaxy merger should do the trick

By Keith Cooper published

A space telescope and AI teamed up to analyze a million galaxies and learn what triggers supermassive black holes the most.

Astronomy
Two side by side illustrations showing Uranus's spin and magnetic field with the Voyager 2 spacecraft flying nearby

Uranus may have more in common with Earth than we thought, 40-year-old Voyager 2 probe data shows

By Keith Cooper published

The findings provide an answer to a planetary mystery that has bewildered scientists for nearly four decades.

Uranus
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