JWST Finds the Smallest Asteroids Ever Seen in the Main Belt

This diagram shows the orbits of 2,200 potentially hazardous objects as calculated by JPL's Center for Near Earth Object Studies (CNEOS). Highlighted is the orbit of the double asteroid Didymos, the target of NASA's Double Asteroid Redirect Test (DART) mission, launched in 2021. Credit: NASA/JPL-Caltech

The JWST was never intended to find asteroids. It was built to probe some of our deepest, most demanding questions about the cosmos: how the first stars formed, how galaxies have evolved, how planets like ours take shape, and even how life originated. However, it’s first and foremost a powerful infrared telescope and its unrivalled … Read more

How to watch ‘Captain America: Brave New World’: Catch it in theaters, and later stream on Disney Plus

Captain America: Brave New World | Official Trailer - YouTube

Captain America: Brave New World, Key information • Date: In Cinemas Friday, February 14, 2025• Globally: It will most likely be available to stream on Disney Plus once it has completed its theatrical run, joining the rest of Marvel’s portfolio. Marvel fans will be on the edge of their seats with less than a week … Read more

Material from Alpha Centauri is Already Here

Artist's impression of  `Oumuamua. While large ISOs like this grab our attention, dust particles from other star systems are also interstellar objects. Credit: ESO/M. Kornmesser

The appearance of the Interstellar Objects (ISOs) Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come from? Unfortunately, they didn’t stick around and wouldn’t cooperate with our efforts to study them in detail. Regardless, they showed us something: Milky Way objects are moving … Read more

Let AI teach you how to take great astrophotos

Andromeda Galaxy

Back to Article List This free, AI-powered smartphone tool, developed by an astronomy educator, is designed to make astrophotography easy and accessible. Astrophotography is both an art and science, and has long been a source of fascination and fun for amateur astronomers. Yet the steep learning curve of mastering equipment, planning shoots, and processing images … Read more

Huge solar storm in May 2024 spawned 2 new radiation belts around Earth

A dark Earth in space is central to many lines connected at the poles that loop out in large arcs from top to bottom. The inner most loops a shades of blue, green, red and yellow.

The great solar storm of May 2024, which sparked beautiful auroral displays over much of the world, also created two new radiation belts that were observed with a satellite that came back from the dead. “This is really stunning,” Xinlin Li, a professor at the Laboratory for Atmospheric and Space Physics at the University of … Read more

Scientists alarmed as Rubin Observatory changes biography of astronomer Vera Rubin amid Trump’s push to end DEI efforts

A white observatory on top of a brown mountain. There is alight glow in the sky.

Astronomers are expressing disappointment and alarm as the federally-funded Rubin Observatory altered the biography of renowned astronomer Vera Rubin, for whom the facility is named, on its website. The amended version curtails her legacy of championing women in science and removes all mentions of the observatory’s efforts to reduce barriers for women and other historically … Read more

U.S. military space tracking systems strain under new threats

U.S. military officials are scrambling to upgrade decades-old systems that track objects in space — a critical capability they say is falling dangerously behind modern threats — as thousands of new satellites crowd Earth’s orbit and rival powers demonstrate increasingly sophisticated space capabilities. Military leaders and industry experts warn that this Cold War-era tracking infrastructure … Read more

Hurtigruten Cruises: The trip of a lifetime for astronomy lovers

northern lights above Tromso

Embarking on a Northern Lights cruise is one of those bucket-list voyages we always dream of. If 2025 is the year you finally decide to tick that off your list and explore the stunning Norwegian coast, Hurtigruten offers some unbelievable cruises for travel addicts, astronomy buffs and culture lovers. And for a limited time, enjoy … Read more

Oldest known wild bird, Wisdom, has a new chick!

White birds with black backs standing on the ground, and an egg in short grass.

Friends of Midway Atoll National Wildlife Refuge posted the wonderful images of Wisdom and her new chick on Facebook on February 7 and 9, 2025. Wisdom is the world’s oldest known wild bird, at approximately age 74. You can tell it’s Wisdom from her well-known leg band, number Z333. Biologists first identified and banded Wisdom … Read more

What would happen if the OSIRIS-REx asteroid Bennu smashed into Earth in 2182?

a large rock impacts a blue-and-green planet, creating a fiery crater

What would happen if Earth were struck by another catastrophic asteroid? While such an event would be devastating, researchers at the IBS Center for Climate Physics (ICCP) at Pusan National University in South Korea wondered specifically how Earth’s climate and ecosystems might change in the aftermath of such an impact. They calculated that there is … Read more