Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

The next asteroid won’t come with a warning siren. What happens after it’s discovered could determine everything.

A recent SpaceNews opinion article argued that it is time to “take astronomy off Earth.” The suggestion is straightforward: If satellite constellations and commercial space activity threaten ...

On nights when an asteroid is scheduled to pass Earth, a certain type of silence is present. It's not a storm warning's ...

NASA officials and planetary defense experts have been discussing a major gap in Earth’s asteroid detection efforts: a large number of medium-sized near-Earth asteroids remain undiscovered. Reports ...

A new study outlines a potential mission to intercept interstellar comet 3I/ATLAS, but the journey could take decades due to ...

( NewsNation) — A NASA scientist is warning that Earth currently has no reliable way to stop thousands of so-called “city-killing” asteroids that could one day strike the planet — a reality raising ...

On 14 February 2026, at the American Association for the Advancement of Science annual meeting in Phoenix, Arizona, Kelly ...

NASA estimates that roughly 25,000 near-Earth asteroids measuring at least 140 meters across orbit in our planetary neighborhood, but surveys have so far cataloged only about 40% of them. That gap ...

A car sized asteroid can sound like a cliffhanger, yet the real tension lives in the math. NASA’s trackers list 2026 CR2 for a close pass on Feb. 17, 2026, moving about 12,616 miles per hour, with an ...

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.