diff --git a/.github/actions/install-pkg/action.yml b/.github/actions/install-pkg/action.yml
index af1ebfe7..5e8bd9e4 100644
--- a/.github/actions/install-pkg/action.yml
+++ b/.github/actions/install-pkg/action.yml
@@ -3,6 +3,7 @@ description: Install earthaccess Python package and testing dependencies
 
 inputs:
   python-version:
+    description: Version of Python to use
     required: true
 
 runs:
@@ -16,7 +17,7 @@ runs:
     - name: Display full python version
       shell: bash
       id: full-python-version
-      run: echo "{version}=$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")" >> $GITHUB_OUTPUT
+      run: echo "version=$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")" >> $GITHUB_OUTPUT
 
     - name: Install package and test dependencies
       shell: bash
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index cb013525..fba60ccc 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -2,6 +2,7 @@ name: Integration Tests
 
 on:
   pull_request:
+  pull_request_target:
   push:
     branches:
       - main
@@ -19,6 +20,25 @@ concurrency:
 
 jobs:
   integration-tests:
+    #
+    # This condition prevents DUPLICATE attempts to run integration tests for
+    # PRs coming from FORKS.
+    #
+    # When a PR originates from a fork, both a pull_request and a
+    # pull_request_target event are triggered.  This means that without a
+    # condition, GitHub will attempt to run integration tests TWICE, once for
+    # each event.
+    #
+    # To prevent this, this condition ensures that integration tests are run
+    # in only ONE of the following cases:
+    #
+    #   1. The event is NOT a pull_request.  This covers the case when the event
+    #      is a pull_request_target (i.e., a PR from a fork), as well as all
+    #      other cases listed in the "on" block at the top of this file.
+    #   2. The event IS a pull_request AND the base repo and head repo are the
+    #      same (i.e., the PR is NOT from a fork).
+    #
+    if: github.event_name != 'pull_request' || github.event.pull_request.base.repo.full_name == github.event.pull_request.head.repo.full_name
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -26,13 +46,35 @@ jobs:
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v4
+      - name: Fetch user permission
+        id: permission
+        uses: actions-cool/check-user-permission@v2
+        with:
+          require: write
+          username: ${{ github.triggering_actor }}
+
+      - name: Check user permission
+        if: ${{ steps.permission.outputs.require-result == 'false' }}
+        # If the triggering actor does not have write permission (i.e., this is a
+        # PR from a fork), then we exit, otherwise most of the integration tests will
+        # fail because they require access to secrets.  In this case, a maintainer
+        # will need to make sure the PR looks safe, and if so, manually re-run the
+        # failed pull_request_target jobs.
+        run: |
+          echo "User **${{ github.triggering_actor }}** does not have permission to run integration tests." >> $GITHUB_STEP_SUMMARY
+          echo "A maintainer must perform a security review and re-run this build, if the code is safe." >> $GITHUB_STEP_SUMMARY
+          echo "See [Keeping your GitHub Actions and workflows secure Part 1: Preventing pwn requests](https://securitylab.github.com/resources/github-actions-preventing-pwn-requests)." >> $GITHUB_STEP_SUMMARY
+          exit 1
+
+      - name: Checkout source
+        uses: actions/checkout@v4
 
-      - uses: ./.github/actions/install-pkg
+      - name: Install package with dependencies
+        uses: ./.github/actions/install-pkg
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Test
+      - name: Run integration tests
         env:
           EARTHDATA_USERNAME: ${{ secrets.EDL_USERNAME }}
           EARTHDATA_PASSWORD: ${{ secrets.EDL_PASSWORD }}
@@ -40,7 +82,7 @@ jobs:
           EARTHACCESS_TEST_PASSWORD: ${{ secrets.EDL_PASSWORD }}
         run: ./scripts/integration-test.sh
 
-      - name: Upload coverage
+      - name: Upload coverage report
         # Don't upload coverage when using the `act` tool to run the workflow locally
         if: ${{ !env.ACT }}
         uses: codecov/codecov-action@v4
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index af5fd1f6..1d6250d4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,8 @@ jobs:
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout sources
+        uses: actions/checkout@v4
 
       - uses: ./.github/actions/install-pkg
         with:
diff --git a/.gitignore b/.gitignore
index 356afb4f..d0ee3ea9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 .ipynb_checkpoints
 .python-version
 .mypy_cache
+.nox/
 __pycache__
 .pytest_cache
 htmlcov
diff --git a/docs/contributing/development.md b/docs/contributing/development.md
index 497b5391..1c4baa1a 100644
--- a/docs/contributing/development.md
+++ b/docs/contributing/development.md
@@ -33,19 +33,20 @@ environment for each run.
 
 ## Manual development environment setup
 
-While `nox` is the fastest way to get started, you may soon find that you need a full
-development environment, for example to test in a REPL. This development environment
-also includes `nox`.
+While `nox` is the fastest way to get started, you will likely need a full
+development environment for making code contributions, for example to test in a
+REPL, or to resolve references in your favorite IDE.  This development
+environment also includes `nox`.
 
-Create and activate a virtual environment with `venv`, which comes by default with
-Python, in the `.venv` directory:
+Create and activate a virtual environment with `venv`, which comes by default
+with Python, in the `.venv` directory:
 
 ```bash
 python -m venv .venv
 source .venv/bin/activate
 ```
 
-Install _earthaccess_ in editable mode with optional development dependencies:
+Install `earthaccess` in editable mode with optional development dependencies:
 
 ```bash
 pip install --editable ".[dev,test,docs]"
@@ -53,8 +54,8 @@ pip install --editable ".[dev,test,docs]"
 
 ??? note "For conda users"
 
-    For your convenience, there is a `environment.yml` file at the root of this
-    repository. You can create a dev environment quickly with:
+    For your convenience, there is an `environment.yml` file at the root of this
+    repository, allowing you to create a conda environment quickly, as follows:
 
     ```bash
     conda env create --file environment.yml
@@ -62,6 +63,6 @@ pip install --editable ".[dev,test,docs]"
 
 ## Managing Dependencies
 
-If you need to add a new dependency, edit `pyproject.toml` and insert the dependency in
-the correct location (either in the `dependencies` array or
-`[project.optional-dependencies]`.
+If you need to add a new dependency, edit `pyproject.toml` and insert the
+dependency in the correct location (either in the `dependencies` array or under
+`[project.optional-dependencies]`).
diff --git a/environment.yml b/environment.yml
index a7a5dd01..e0eb49b3 100644
--- a/environment.yml
+++ b/environment.yml
@@ -9,3 +9,7 @@ dependencies:
   - pip
   - pip:
       - --editable .[dev,test,docs]
+variables:
+  # Allow pip installs when conda environment is active
+  PIP_REQUIRE_VENV: 0
+  PIP_REQUIRE_VIRTUALENV: 0
diff --git a/noxfile.py b/noxfile.py
index cadc109d..257b0533 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -8,7 +8,7 @@
 DIR = Path(__file__).parent.resolve()
 
 nox.needs_version = ">=2024.3.2"
-nox.options.sessions = ["typecheck", "test_unit"]
+nox.options.sessions = ["typecheck", "tests"]
 nox.options.default_venv_backend = "uv|virtualenv"
 
 
@@ -20,7 +20,7 @@ def typecheck(session: nox.Session) -> None:
 
 
 @nox.session
-def test_unit(session: nox.Session) -> None:
+def tests(session: nox.Session) -> None:
     """Run the unit tests."""
     session.install("--editable", ".[test]")
     session.run("pytest", "tests/unit", *session.posargs)