  The last decade was remarkable for neutrino physics. In particular, the
phenomenon of neutrino flavor oscillations has been firmly established by a
series of independent measurements. All parameters of the neutrino mixing are
now known and we have elements to plan a judicious exploration of new scenarios
that are opened by these recent advances. With precise measurements, we can
test the 3-neutrino paradigm, neutrino mass hierarchy and CP asymmetry in the
lepton sector. The future long-baseline experiments are considered to be a
fundamental tool to deepen our knowledge of electroweak interactions. The Deep
Underground Neutrino Experiment -- DUNE will detect a broad-band neutrino beam
from Fermilab in an underground massive Liquid Argon Time-Projection Chamber at
an L/E of about $10^3$ km / GeV to reach good sensitivity for CP-phase
measurements and the determination of the mass hierarchy. The dimensions and
the depth of the Far Detector also create an excellent opportunity to look for
rare signals like proton decay to study violation of baryonic number, as well
as supernova neutrino bursts, broadening the scope of the experiment to
astrophysics and associated impacts in cosmology. In this presentation, we will
discuss the physics motivations and the main experimental features of the DUNE
project required to reach its scientific goals.
