A team has offered a way for gravitational wave events called dark sirens to resolve a crisis in cosmology
Looking at the scientific information gleaned from lifeless worlds could help in the search for life, one astrobiologist says.
Mars' Perseverance rover will help pave the way for future humans to travel to the Red Planet with a small instrument known as the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE).
Astronomers spot two highly delayed signals from two different black holes tearing apart stars in their vicinity.
What we know about the history and properties of "Einstein's biggest mistake," the cosmological constant
A speculative hypothesis tries to uncover the world’s oldest story written across the night sky in the Pleiades constellation.
Are we alone in the universe? Many discoveries about aliens in 2020 seemed to increase the prospect of extraterrestrial entities existing.
Anthropologist reveals a potentially big flaw in the Search for Extraterrestrial Intelligence (SETI).
Mysterious ultra-fast pinpricks of radio energy keep lighting up the night sky and nobody knows why.
For the second time ever, the Laser Interferometer Gravitational-Wave Observatory (LIGO) has spotted two ultradense stellar remnants known as neutron stars violently crashing together.