Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful tools is something called 21 cm radiation. Hydrogen, the most abundant ...

NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the Milky Way appearing beyond Earth's horizon. At the time, the ...

A new James Webb Space Telescope study finds that Sagittarius A*, the Milky Way's central black hole, constantly emits light from its swirling accretion disk. Credit: NASA / ESA / CSA / Ralf ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Over the past ...

New research from a team at the Harvard Center for Astrophysics suggests that the Large Magellanic Cloud, a dwarf galaxy neighboring the Milky Way, hosts a gravitational structure hundreds of ...

Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy that would pulse every two hours, like a cosmic heartbeat. The long radio ...

NASA astronaut Don Pettit captures a breathtaking photo of the Milky Way from the ISS, highlighting the stunning view of our galaxy. As part of Expedition 72, Pettit and his team conduct crucial ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...

Now imagine doing that on a cosmic scale." A mysterious, one-off flash of energy from an unknown object outside the Milky Way has left astronomers puzzled. The research team, led by Steven ...

Astronomers have observed a flare of light near Sagittarius A, the supermassive black hole at the centre of the Milky Way galaxy. These bursts happen daily; some last seconds, others shine for a ...

Another new iPhone can only mean one thing: new Apple wallpapers! Fortunately, you don’t need to go out and buy the new iPhone 16e if you just want to try Apple’s latest wallpaper. Download ...