We review numerous arguments for primordial black holes (PBHs) based on observational
evidence from a variety of lensing, dynamical, accretion and gravitational-wave effects. This …

Although the dark matter is usually assumed to be made up of some form of elementary
particle, primordial black holes (PBHs) could also provide some of it. However, various …

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We update the constraints on the fraction of the Universe that may have gone into primordial
black holes (PBHs) over the mass range 10− 5 to 10 50 g. Those smaller than∼ 10 15 g …

In the recent years, primordial black holes (PBHs) have emerged as one of the most
interesting and hotly debated topics in cosmology. Among other possibilities, PBHs could …

The detection of gravitational waves from mergers of tens of Solar mass black hole binaries
has led to a surge in interest in primordial black holes (PBHs) as a dark matter candidate …

The International Gamma-Ray Astrophysics Laboratory (INTEGRAL) satellite has yielded
unprecedented measurements of the soft gamma-ray spectrum of our Galaxy. Here we use …

There had been recent advancement toward the detection of ultra-faint dwarf galaxies,
which may serve as a useful laboratory for dark matter exploration since some of them …

There is a large and growing interest in observations of small-scale structure in dark matter.
We propose a new way to probe dark matter structures in the∼ 10–10 8 M⊙ range. This …

Abstract Primordial Black Holes (PBHs) are a viable candidate to comprise some or all of the
dark matter and provide a unique window into the high-energy physics of the early universe …