A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...

The Andromeda Galaxy (M31) is the closest galaxy to the Milky Way which is about 2.5 million light-years away. It is the largest spiral galaxy in the Local Group, a group of galaxies that also ...

Nov. 17: The Leonid Meteor Shower should be best from 1 a.m. to dawn. Under dark sky conditions, the Leonids exhibit a maximum of about 10 to 15 meteors per hour. Nov. 5: Full hunter supermoon — ...

The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it. "This image of M31 is released in tribute to the groundbreaking legacy of Dr ...

They sky is filled with celestial treats this month, including a close Earth-approach by two comets. Can you see in NJ? Timing, tips, more.

NASA's Perseverance robot, depicted here landing on the Martian dunes, used its cutting-edge cameras to image what could be the first evidence of life ever detected on Mars, opening the possibility ...

Late October presents a perfect opportunity to spot the ancient light of the Andromeda galaxy as it climbs high overhead to brighten the autumn night sky. The Andromeda Galaxy (M31), the Milky Way's ...

Historically, the Andromeda Galaxy (M31) was a subject of extensive debate, initially considered a "nebulous smear" and later central to the "island universe" hypothesis proposing its status as an ...

On the night of Oct. 5 to 6, 1923, Edwin Hubble discovered a new star — and revealed the utter vastness of the universe. Hubble was looking at the cosmos with the 100-inch Hooker telescope at the ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the innermost planet. A cormorant crosses the face of the full moon in ...

For astronomers studying dark matter, the Bullet Cluster is one of the greatest laboratories in the universe. It was discovered almost by accident, a blip of x-rays in the sky that was detected by ...

As the sun sets, the Summer Triangle is straight overhead. To the north, the Big Dipper dominates as always, its cup sitting nearly parallel to the horizon late in the evening. Malan is astronomy ...