Astronomers have found what could become the first target for a crucial test of NASA’s upcoming Nancy Grace Roman Space Telescope, a soon-to-launch observatory that serves as a pathfinder mission for ...

Hubble captured this image of the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth. Hubble shows that the comet has a teardrop-shaped cocoon of dust coming ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Rabbi Menachem Mendel Schneerson, the Lubavitcher Rebbe, spoke at a Hasidic gathering in 1972 and shared a timeless lesson: not only does the Torah provide profound insight into the nature of the ...

Imaging buried objects Left: artistic impression of metal spheres buried in small glass beads; centre: conventional ultrasound image; right: the new technology can precisely determine the positions of ...

A mysterious interstellar object has reignited global debate after Harvard astrophysicist Avi Loeb hinted that '3I/ATLAS' might not behave according to known laws of physics, and could even be moving ...

The amplituhedron is a geometric shape with an almost mystical quality: Compute its volume, and you get the answer to a central calculation in physics about how particles interact. Now, a young ...

The Sun is the brightest thing around, but many cosmic objects can be much brighter. And in fact, astronomers at NASA have just clocked something in deep space that’s so bright, they say it defies the ...