Irene Klotz is a Florida-based science writer who covers spaceflight, astronomy, planetary science and the search for life beyond Earth. A graduate of Northwestern University, Irene's work has appeared on Discovery News since 1998.
Astronomers suspect that gravitational waves, first theorized by Albert Einstein, kicked the rogue black hole out of its galactic core after the collision of two galaxies.
Mars' diminutive moon Phobos may be the latest in a series of increasingly smaller moons that formed from rings of debris that circled the Red Planet in its past, and likely will again in its future.
Astrophysicists at MIT have gained new insight into the energy that radiates from a feeding black hole as it tears apart a nearby star.
NASA spending on Earth science for the fiscal year beginning Oct. 1 would also fall under President Donald Trump's budget proposal.
Scientists don't know how the cosmic odd couple came to exist, or how long their intimate tango will last.
Watch a live webcast of SpaceX's latest rocket launch, planned for early in the morning on Tuesday. Elon Musk is looking to remain aggressive as Amazon founder Jeff Bezos's aerospace company Blue Origin starts signing up customers.
Conditions on Saturn's largest moon could make Titan the best place in our solar system for us to test ideas about the diversity of life in space.