All you need to know before spotting Ophiuchus—the Serpent Bearer—constellation in July's night sky
With an expansive area of 948 square degrees, Ophiuchus ranks as the 11th largest constellation.
1 day ago
Watch Lacerta — The Lizard — constellation silently weave through the midnight sky on July 22
Look northeast after sunset to spot Lacerta, nestled below the bright constellation Cygnus and to the lower right of Cepheus.
2 days ago
Largest ever black hole merger, 225 times the mass of the Sun, detected by LIGO-Virgo-KAGRA
This extraordinary event, designated GW231123, not only shatters previous records but also challenges established theories concerning black hole formation.
Jul 15, 2025
Vera C. Rubin Observatory’s first image reveals three stunning celestial surprises hidden in plain sight
The initial images revealed several intriguing phenomena, offering unique insights into galactic dynamics and stellar structures.
Jun 28, 2025
Summer Triangle illuminates the night revealing three brilliant stars and hidden celestial gems
Comprising Altair, Deneb, and Vega, three of Earth's brightest stars, the astronomical formation is ideally observed at this particular time of the year.
Jun 27, 2025
First spectacular images from Vera C. Rubin Observatory are finally here
The Vera C. Rubin Observatory first released three images, offering a stunning sneak peek into the cosmic miracle, before sharing all photos.
Jun 23, 2025
Vera C. Rubin Observatory to debut its first ultra-high-definition images of the sky
With these ultra-high-definition visuals, the public will gain its first insight into the observatory's innovative capabilities.
Jun 19, 2025
Astronomers photograph sculptor galaxy in a thousand colors after observing it for 50 hours straight
A remarkable new image of the Sculptor Galaxy (NGC 253) has been released by astronomers, providing a stunningly detailed view of its complex galactic systems.
Jun 19, 2025
June is the best time to catch a clear view of the Milky Way’s radiant core in the night sky
A unique opportunity that arrives with the summer solstice and the year's briefest night.
Jun 18, 2025
Massive solar flare bursts from the sun cause radio blackouts across parts of North America
The most notable solar flare happened on June 15, reaching its strongest point at 2:25 p.m. EDT.
Jun 18, 2025
NASA's James Webb Space Telescope finds small galaxies that drove cosmic renovation
These newly found galaxies are surprisingly small, especially when compared to our own Milky Way.
Jun 17, 2025
Brilliant photo captures Milky Way arch over Kitt Peak National Observatory
Its characteristic milky white appearance in the night sky gave our galaxy its name, 'the Milky Way,' a feature that Greek mythology credits to the goddess Hera.
Jun 17, 2025
A rare 'space rainbow' just lit up the camera on NASA’s solar mission PUNCH — and it's magnificent
This remarkable 'space rainbow' marks a significant leap forward in solar exploration.
Jun 16, 2025
Catch Mars’ stunning celestial events lighting up the evening sky throughout June
Mars will make a remarkable naked-eye pairing with the slightly brighter star Regulus in Leo on June 17.
Jun 16, 2025
Auroras from a moderate geomagnetic storm to brighten the skies of New York and Idaho on June 14
A warning for a geomagnetic storm due to turbulent space weather hints at the formation of northern lights in a few northern U.S. states.
Jun 13, 2025
Constellation Aries
A rather inconspicuous northern constellation and a sign of the zodiac, which honors the ram whose golden fleece was sought by Jason and the Argonauts.
Nov 21, 2023
Constellation Ara
A small and rather inconspicuous southern constellation representing the altar on which Centaurus the centaur sacrificed Lupus the wolf.
Nov 21, 2023
Constellation Aquila
Aquila is located in the equatorial region of the sky representing an eagle. It is best visible in the month of August, high in the evening sky.
Nov 21, 2023
Constellation Aquarius
Aquarius is a constellation of the zodiac, through which the Sun passes from mid-February to mid-March.
Nov 21, 2023
Constellation Apus
An inconspicuous constellation in the south polar region of the sky, created by German astronomer Johan Bayer in the 17th century.
Nov 21, 2023