The Astrophysical Journal · 1 October 2026 · From issue 46

Aberration/Retardation Analysis of PSR B1451-68’s Profiles from Decimeter to Meter Wavelengths: Emission Heights and Implications for ‘Radius-to-Frequency Mapping’

In a pulsar study, beam height shrank at low radio frequencies instead of growing as predicted.

N. D. Ramesh Bhat, Christopher P. Lee et al.

Integrity screen: passed (3 checks) Checked 4 October 2026. Read the source

The plain-language reading of this paper is in the full issue, for subscribers.

Read the full issue

Get it free, every two days

Five papers free every issue, about 15 emails a month. No spam. Leave in one click.

Also in issue 46 15 papers

A lung cancer vaccine plus immune drug brought immune cells into tumors but did not shrink them.
Nature Communications
Dust levels rose over nearly half of studied land during fast topsoil drying events.
Geophysical Research Letters
In mice, a three-armed flu drug clumped viruses together and beat existing long-acting drugs.
Nature Communications
People focus more on tasks that already feel easy, making hard tasks even harder.
Nature Human Behaviour
A computer program tracked grass pollen shapes to reveal 25,000 years of ecosystem change.
Proceedings of the National Academy of Sciences
In mice and lab models, blocking a protein called PAK4 slowed melanoma growth and weakened its immune defenses.
Proceedings of the National Academy of Sciences
In the deep sea, clams and their gut bacteria adjust teamwork when food gas runs low.
Science Advances
An AI beat the top human Stratego champion, a first for the game.
Nature
In yeast colonies, on-and-off drug treatment can free trapped resistant cells to spread.
Nature Ecology & Evolution
In lab solutions, layered polymer sheets melt apart in a set order and then rebuild themselves.
Nature Communications
Chemists confirmed a rare triple bond between uranium and carbon for the first time.
Nature Chemistry
A top US health research funder will start paying to recheck old discoveries, not just fund new ones.
Science
AI now helps decide which science questions get asked and which evidence counts.
Science
In basalt rock, mild squeezing tilts tiny magnetic particles but barely shifts the rock's overall magnetic direction.
Geophysical Research Letters