Amateur astrophotographer Greg Meyer has captured a colorful view of the Rho Ophiuchi star-forming region alongside Messier 4 ...

An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive ...

NASA engineers have revived old thrusters on Voyager 1 to prevent a clog from endangering the mission during a planned ...

"One of the benefits of Mars is life insurance for life collectively," Musk said in an interview with Fox News. "So ...

But there's no great need to panic. We still have 10 to the power of 78 years before it happens -- that's a one with 78 ...

Of the more than 5,000 exoplanets that have been confirmed so far and many more thousands of candidates, most orbit stars the ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

Webb Space Telescope reveals a surprisingly clear atmosphere on planet TOI-421 b, helping scientists understand the evolution ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

In a memorable image from the 1977 film Star Wars, the young hero Luke ... as close as just 4% of the distance between Earth and the sun. The planet, named 2M1510 (AB) b, orbits around this ...

Recently, astronomers discovered the appearance of sunspot AR 4079 near the equator of our star, which has a diameter ... AR 4079 is looking directly at Earth, so if a coronal mass ejection happens, ...