How to watch the Ursid meteor shower
NEW YORK (AP) — The last major meteor shower of the year, known as the Ursids, peaks soon,…
Hubble images reveal the aftermath of two cosmic collisions
NEW YORK (AP) — NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic…
What is the Winter Solstice? The science behind 2025’s shortest day
On Sunday, Dec. 21, at exactly 10:03 a.m. EST, the Northern Hemisphere’s astronomical winter officially begins with the…
How to Watch the Final Meteor Shower of 2025
The Lyrids’ radiant, the constellation Hercules, rises well before midnight, so meteors are visible all night, but are…
Astronomers discover spacetime drag around a supermassive black hole — as predicted by Einstein
A star’s fatal brush with a supermassive black hole can light up a quiet galaxy. When gravity shreds…
Interstellar comet keeps its distance as it makes its closest approach to Earth
CAPE CANAVERAL, Fla. — A stray comet from another star swings past Earth this week in one last…
How Do Astronomers Find Planets in Other Solar Systems?
It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found…
Astronomers spot closest giant planet orbiting binary stars ever observed
Astronomers have confirmed a giant planet orbiting a tightly bound pair of young stars, marking a first in…
New gravitational lens measurements reveal a faster expansion rate for the universe
For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned…
Flaring black hole launches ultra fast winds across space
image: ©ClaudioVentrella | iStock Astronomers using two of the world’s best X-ray observatories have witnessed a dramatic and…
Photographers Around the World Capture Astonishing Auroras During the Solar Maximum — Colossal
From Iceland’s Arctic Henge to snowy forests, the vistas represented in the 2025 Northern Lights Photographer of the…
NASA’s Hubble glimpses 3I/ATLAS again. See image of interstellar comet
New 3I/ATLAS images from NASA and the European Space Agency suggest the interstellar comet is active as it…