This artist’s impression shows an example of a rogue planet with the Rho Ophiuchi cloud complex visible in the background. Rogue planets have masses comparable to those of the planets in our Solar System but do not orbit a star, instead roaming freely on their own. Image Credit: ESO/M. Kornmesser/S. Guisard

Beyond the Solar System: The Shocking Discovery of Free-Floating Planets

March 2, 2025
This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode as a kilonova. Such a very rare event is expected to produce both gravitational waves and a short gamma-ray burst, both of which were observed on 17 August 2017 by LIGO–Virgo and Fermi/INTEGRAL respectively. Subsequent detailed observations with many ESO telescopes confirmed that this object, seen in the galaxy NGC 4993 about 130 million light-years from the Earth, is indeed a kilonova. Such objects are the main source of very heavy chemical elements, such as gold and platinum, in the Universe.

Neutron Stars, Black Holes, and the Most Extreme Cosmic Rays—A Game-Changing Discovery

March 2, 2025
An artist’s conception shows Firefly Aerospace’s Alpha rocket during stage separation. (Firefly Illustration)

Firefly Aerospace’s Race to the Moon: Can Blue Ghost Make History?

March 2, 2025
The Hubble Space Telescope examined 36 dwarf galaxies around the Andromeda Galaxy and measured their star formation histories. Andromeda is the bright spindle-shaped object at image center. The most prominent dwarf galaxy is M32 (NGC 221), a compact ellipsoidal galaxy that might be the remnant core of a larger galaxy that collided with Andromeda a few billion years ago. Image Credit: NASA, ESA, Alessandro Savino (UC Berkeley), Joseph DePasquale (STScI), Akira Fujii DSS2

Something Strange Is Happening in Andromeda’s Dwarf Galaxies—And It’s Changing Our Understanding of Star Formation

March 1, 2025
Credits: NASA

A Dwarf Galaxy Is Spewing Stars—Is a Hidden Supermassive Black Hole to Blame?

March 1, 2025
This month, four bright planets greet you in the early evening, just after sunset, according to a JPL spokesperson. (Shutterstock)

Planet Parade 2025: Seven Worlds Align—Here’s How to Watch

February 27, 2025
Mars seen before, left, and during, right, a global dust storm in 2001. Credit: NASA/JPL/MSSS

Not Just Rust: The Surprising Mineral That Gives Mars Its Color

February 26, 2025
This image provided by NASA on Tuesday, July 12, 2022, shows Stephan’s Quintet, a visual grouping of five galaxies captured by the Webb Telescope’s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI). This mosaic was constructed from almost 1,000 separate image files, according to NASA. (NASA, ESA, CSA, and STScI via AP)

Did a Distant Supernova Alter Life on Earth? The Cosmic Rays Mystery

February 26, 2025
The notable gravitational lens known as the Cosmic Horseshoe was discovered in 2007. New research reveals a presence of an Ultra Massive Black Hole containing 36 billion solar masses. Credit: NASA/ESA/Hubble

A Black Hole So Massive It Defies Science—The Cosmic Horseshoe’s Hidden Giant

February 26, 2025
Blood moon. credits: NASA

The Blood Moon Rises: Everything You Need to Know About the March 2025 Total Lunar Eclipse

February 25, 2025
Image of the flare in 304 angstrom light. Credit: NASA/GSFC/SDO

Solar Fury Unleashed: How the Latest X-Class Flare Disrupted Earth’s Tech

February 25, 2025
The Whirlpool Galaxy (Spiral Galaxy M51, NGC 5194), a classic spiral galaxy located in the Canes Venatici constellation, and its companion NGC 5195.

A Spiral Found at the Solar System’s Edge—And It’s Full of Surprises

February 24, 2025
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