Astrophysics

Explore dark matter evidence, candidates, and detection—from galaxy rotation curves and lensing to CMB constraints and next-gen experiments.

A clear guide to dark matter: strongest evidence, leading candidates like WIMPs and axions, and today’s searches via detectors, telescopes, and the LHC.

Explore dark matter evidence, leading particle candidates, detection methods, and upcoming experiments shaping cosmology.

Explore the strongest evidence for dark matter—rotation curves, gravitational lensing, CMB, and large-scale structure—plus candidates and detection methods.

Explore dark matter: what it is, the evidence from galaxies to the CMB, leading particle candidates, and how experiments and surveys are testing it.

Learn how Cepheid and RR Lyrae variables power the cosmic distance ladder via the period–luminosity relation, from Leavitt’s law to today’s H0 tension.

Understand gravitational waves, how LIGO and Virgo detect them, key discoveries, standard sirens, and what they reveal about black holes and neutron stars.

Discover how gravitational-wave observatories like LIGO, Virgo, and KAGRA detect cosmic ripples, what the signals reveal, and where the field is headed next.

Discover what dark matter is, the evidence for it, top particle candidates, and how experiments, lensing, and simulations are revealing the universe’s missing mass.

Dark matter explained: evidence from galaxies and the CMB, top candidates like WIMPs and axions, and the experiments hunting the universe’s invisible mass.

How pulsar timing arrays turn millisecond pulsars into cosmic clocks to detect the nanohertz gravitational-wave background and test general relativity.

How gravitational waves are detected, what produces them, and what they reveal about black holes, neutron stars, and the expanding Universe.