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Massive galaxy clusters act as natural telescopes, bending light to reveal the hidden universe. Meanwhile, dying stars sculpt intricate nebulae and satellites create artificial eclipses. The Cluster: MACS J1149 is a massive cluster of galaxies 5 billion light-years away. Its gravity is so intense it bends space itself.

From the longest jet ever seen to the magnetic heart of a white dwarf, new images reveal the violent and beautiful mechanics of star formation and death. The Discovery: Hubble has imaged HH 80/81, a pair of glowing shockwaves created by a jet of gas blasting across space.

Hubble has imaged the largest protoplanetary disk ever seen. It spans 400 billion miles, resembles a sandwich, and behaves with unexpected chaos. Located 1,000 light-years away, this disk got its nickname because it looks like a Chivito (a famous Uruguayan sandwich) or a hamburger. Why? We are seeing it "edge-on." The dark band in the middle is the dense dust plane (the meat) obscuring the star. The glowing lobes above and below are light scattering off dust (the buns).

Wind shapes the Red Planet. Perseverance is investigating "Megaripples"—massive dunes frozen in time by salt and ice. Megaripples are massive sand structures up to 2 meters tall. Unlike normal dunes, they are often coated in a coarse layer of pebbles. The Freeze: When atmospheric water interacts with dust, it creates a salty crust (duricrust). This hardens the ripple, making it nearly impossible for the wind to move it. They become "fossilized" records of ancient wind patte

Hubble has captured the interstellar interloper as it races past Earth. Its strange chemical fingerprint—heavy on CO2 and Nickel—hints at an exotic origin. Using the Wide Field Camera 3 (WFC3), Hubble tracked the comet from 286 million km away. The spectral data revealed surprising features.

Sagittarius B2: NASA's James Webb Space Telescope has pierced the dense galactic center to reveal the most active star factory in the Milky Way. Sgr B2 is located just a few hundred light-years from the supermassive black hole at our galaxy's center. It is an extreme environment. Astronomers are puzzled by its efficiency. Compared to the rest of the Galactic Center, Sgr B2 is punching way above its weight class.

In a stroke of extraordinary timing and clear skies, scientists using the 1.5-meter GREGOR solar telescope in Tenerife have recorded the explosive evolution of two powerful X-class solar flares on November 10 and 11, 2025. These rare, high-resolution observations—spanning magnetic braids, penumbral distortions, and flare precursors—offer an unprecedented view into the heart of the sun’s most energetic active region of the year.

On November 5, 2025, NASA's Europa Clipper was busy testing its Stellar Reference Units—star-tracking cameras used to keep the spacecraft oriented. In a single frame, covering just 0.1% of the sky, it captured a field of stars... and something else. A tiny, pale dot near the edge was actually the planet Uranus, floating 2 billion miles away.

In July 2025, astronomers spotted 3I/ATLAS, the third interstellar object (ISO) ever detected passing through our solar system. Now, NASA's Hubble Space Telescope has provided the crispest view yet of this "interstellar tourist." The observations are helping scientists constrain its size and confirm its cometary nature, all while it travels at a staggering speed.

In July 2025, astronomers spotted 3I/ATLAS, the third interstellar object (ISO) ever detected passing through our solar system. Now, NASA's Hubble Space Telescope has provided the crispest view yet of this "interstellar tourist." The observations are helping scientists constrain its size and confirm its cometary nature, all while it travels at a staggering speed.